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Finding the Fourth Proportional to 131,866.56, 197,832.24 and 38,373.12

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Solution

The fourth proportional to 131,866.56, 197,832.24 and 38,373.12 is: 57,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,866.56 : 197,832.24 = 38,373.12 : x
  2. Step 2: Convert to fraction form
    131,866.56/197,832.24 = 38,373.12/x
  3. Step 3: Cross multiply
    131,866.56x = 197,832.24 × 38,373.12
  4. Step 4: Simplify right side
    131,866.56x = 7,591,440,285.39
  5. Step 5: Solve for x
    x = 7,591,440,285.39/131,866.56
  6. Step 6: Final answer
    x = 57,569.11

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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.