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Finding the Fourth Proportional to 104,419.70, 156,629.55 and 34,306.10

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Solution

The fourth proportional to 104,419.70, 156,629.55 and 34,306.10 is: 51,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.70 : 156,629.55 = 34,306.10 : x
  2. Step 2: Convert to fraction form
    104,419.70/156,629.55 = 34,306.10/x
  3. Step 3: Cross multiply
    104,419.70x = 156,629.55 × 34,306.10
  4. Step 4: Simplify right side
    104,419.70x = 5,373,349,005.26
  5. Step 5: Solve for x
    x = 5,373,349,005.26/104,419.70
  6. Step 6: Final answer
    x = 51,459.15

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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.