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Finding the Fourth Proportional to 104,603.63, 156,972.27 and 38,037.43

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Solution

The fourth proportional to 104,603.63, 156,972.27 and 38,037.43 is: 57,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.63 : 156,972.27 = 38,037.43 : x
  2. Step 2: Convert to fraction form
    104,603.63/156,972.27 = 38,037.43/x
  3. Step 3: Cross multiply
    104,603.63x = 156,972.27 × 38,037.43
  4. Step 4: Simplify right side
    104,603.63x = 5,970,820,947.20
  5. Step 5: Solve for x
    x = 5,970,820,947.20/104,603.63
  6. Step 6: Final answer
    x = 57,080.44

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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.