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Finding the Fourth Proportional to 192,507.01, 287,350.51 and 169,781.65

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Solution

The fourth proportional to 192,507.01, 287,350.51 and 169,781.65 is: 253,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,507.01 : 287,350.51 = 169,781.65 : x
  2. Step 2: Convert to fraction form
    192,507.01/287,350.51 = 169,781.65/x
  3. Step 3: Cross multiply
    192,507.01x = 287,350.51 × 169,781.65
  4. Step 4: Simplify right side
    192,507.01x = 48,786,842,279.39
  5. Step 5: Solve for x
    x = 48,786,842,279.39/192,507.01
  6. Step 6: Final answer
    x = 253,428.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.