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Finding the Fourth Proportional to 104,038,652.40, 156,057,978.60 and 97,661,360.40

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Solution

The fourth proportional to 104,038,652.40, 156,057,978.60 and 97,661,360.40 is: 146,492,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038,652.40 : 156,057,978.60 = 97,661,360.40 : x
  2. Step 2: Convert to fraction form
    104,038,652.40/156,057,978.60 = 97,661,360.40/x
  3. Step 3: Cross multiply
    104,038,652.40x = 156,057,978.60 × 97,661,360.40
  4. Step 4: Simplify right side
    104,038,652.40x = 15,240,834,491,350,088
  5. Step 5: Solve for x
    x = 15,240,834,491,350,088/104,038,652.40
  6. Step 6: Final answer
    x = 146,492,040.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.