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Finding the Fourth Proportional to 157,618.34, 217,545.68 and 96,375.00

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Solution

The fourth proportional to 157,618.34, 217,545.68 and 96,375.00 is: 133,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,618.34 : 217,545.68 = 96,375.00 : x
  2. Step 2: Convert to fraction form
    157,618.34/217,545.68 = 96,375.00/x
  3. Step 3: Cross multiply
    157,618.34x = 217,545.68 × 96,375.00
  4. Step 4: Simplify right side
    157,618.34x = 20,965,964,743.04
  5. Step 5: Solve for x
    x = 20,965,964,743.04/157,618.34
  6. Step 6: Final answer
    x = 133,017.29

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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.