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Finding the Fourth Proportional to 104,004.80, 156,122.40 and 97,236.80

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Solution

The fourth proportional to 104,004.80, 156,122.40 and 97,236.80 is: 145,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,004.80 : 156,122.40 = 97,236.80 : x
  2. Step 2: Convert to fraction form
    104,004.80/156,122.40 = 97,236.80/x
  3. Step 3: Cross multiply
    104,004.80x = 156,122.40 × 97,236.80
  4. Step 4: Simplify right side
    104,004.80x = 15,180,842,584.32
  5. Step 5: Solve for x
    x = 15,180,842,584.32/104,004.80
  6. Step 6: Final answer
    x = 145,962.90

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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.