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Finding the Fourth Proportional to 157,277.34, 235,914.57 and 63,760.86

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Solution

The fourth proportional to 157,277.34, 235,914.57 and 63,760.86 is: 95,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,277.34 : 235,914.57 = 63,760.86 : x
  2. Step 2: Convert to fraction form
    157,277.34/235,914.57 = 63,760.86/x
  3. Step 3: Cross multiply
    157,277.34x = 235,914.57 × 63,760.86
  4. Step 4: Simplify right side
    157,277.34x = 15,042,115,869.73
  5. Step 5: Solve for x
    x = 15,042,115,869.73/157,277.34
  6. Step 6: Final answer
    x = 95,640.71

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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.