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Finding the Fourth Proportional to 157,251.78, 235,776.42 and 114,572.88

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Solution

The fourth proportional to 157,251.78, 235,776.42 and 114,572.88 is: 171,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,251.78 : 235,776.42 = 114,572.88 : x
  2. Step 2: Convert to fraction form
    157,251.78/235,776.42 = 114,572.88/x
  3. Step 3: Cross multiply
    157,251.78x = 235,776.42 × 114,572.88
  4. Step 4: Simplify right side
    157,251.78x = 27,013,583,475.49
  5. Step 5: Solve for x
    x = 27,013,583,475.49/157,251.78
  6. Step 6: Final answer
    x = 171,785.55

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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.