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Finding the Fourth Proportional to 169,179.30, 253,743.89 and 102,601.55

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Solution

The fourth proportional to 169,179.30, 253,743.89 and 102,601.55 is: 153,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,179.30 : 253,743.89 = 102,601.55 : x
  2. Step 2: Convert to fraction form
    169,179.30/253,743.89 = 102,601.55/x
  3. Step 3: Cross multiply
    169,179.30x = 253,743.89 × 102,601.55
  4. Step 4: Simplify right side
    169,179.30x = 26,034,516,538.38
  5. Step 5: Solve for x
    x = 26,034,516,538.38/169,179.30
  6. Step 6: Final answer
    x = 153,887.13

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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.