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Finding the Fourth Proportional to 104,603.55, 156,972.06 and 38,037.30

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Solution

The fourth proportional to 104,603.55, 156,972.06 and 38,037.30 is: 57,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.55 : 156,972.06 = 38,037.30 : x
  2. Step 2: Convert to fraction form
    104,603.55/156,972.06 = 38,037.30/x
  3. Step 3: Cross multiply
    104,603.55x = 156,972.06 × 38,037.30
  4. Step 4: Simplify right side
    104,603.55x = 5,970,793,337.84
  5. Step 5: Solve for x
    x = 5,970,793,337.84/104,603.55
  6. Step 6: Final answer
    x = 57,080.22

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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.