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Finding the Fourth Proportional to 69,896,846.40, 104,845,269.60 and 63,094,401.60

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Solution

The fourth proportional to 69,896,846.40, 104,845,269.60 and 63,094,401.60 is: 94,641,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896,846.40 : 104,845,269.60 = 63,094,401.60 : x
  2. Step 2: Convert to fraction form
    69,896,846.40/104,845,269.60 = 63,094,401.60/x
  3. Step 3: Cross multiply
    69,896,846.40x = 104,845,269.60 × 63,094,401.60
  4. Step 4: Simplify right side
    69,896,846.40x = 6,615,149,546,002,671
  5. Step 5: Solve for x
    x = 6,615,149,546,002,671/69,896,846.40
  6. Step 6: Final answer
    x = 94,641,602.40

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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.