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Finding the Fourth Proportional to 104,471.38, 156,637.47 and 37,902.88

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Solution

The fourth proportional to 104,471.38, 156,637.47 and 37,902.88 is: 56,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,471.38 : 156,637.47 = 37,902.88 : x
  2. Step 2: Convert to fraction form
    104,471.38/156,637.47 = 37,902.88/x
  3. Step 3: Cross multiply
    104,471.38x = 156,637.47 × 37,902.88
  4. Step 4: Simplify right side
    104,471.38x = 5,937,011,228.91
  5. Step 5: Solve for x
    x = 5,937,011,228.91/104,471.38
  6. Step 6: Final answer
    x = 56,829.07

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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.