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Finding the Fourth Proportional to 117,666.56, 162,380.92 and 63,951.70

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Solution

The fourth proportional to 117,666.56, 162,380.92 and 63,951.70 is: 88,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.56 : 162,380.92 = 63,951.70 : x
  2. Step 2: Convert to fraction form
    117,666.56/162,380.92 = 63,951.70/x
  3. Step 3: Cross multiply
    117,666.56x = 162,380.92 × 63,951.70
  4. Step 4: Simplify right side
    117,666.56x = 10,384,535,881.56
  5. Step 5: Solve for x
    x = 10,384,535,881.56/117,666.56
  6. Step 6: Final answer
    x = 88,253.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.