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Finding the Fourth Proportional to 119,332.86, 164,674.92 and 65,614.68

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Solution

The fourth proportional to 119,332.86, 164,674.92 and 65,614.68 is: 90,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,332.86 : 164,674.92 = 65,614.68 : x
  2. Step 2: Convert to fraction form
    119,332.86/164,674.92 = 65,614.68/x
  3. Step 3: Cross multiply
    119,332.86x = 164,674.92 × 65,614.68
  4. Step 4: Simplify right side
    119,332.86x = 10,805,092,179.83
  5. Step 5: Solve for x
    x = 10,805,092,179.83/119,332.86
  6. Step 6: Final answer
    x = 90,545.82

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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.