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Finding the Fourth Proportional to 273,689.82, 377,691.17 and 152,831.18

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Solution

The fourth proportional to 273,689.82, 377,691.17 and 152,831.18 is: 210,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,689.82 : 377,691.17 = 152,831.18 : x
  2. Step 2: Convert to fraction form
    273,689.82/377,691.17 = 152,831.18/x
  3. Step 3: Cross multiply
    273,689.82x = 377,691.17 × 152,831.18
  4. Step 4: Simplify right side
    273,689.82x = 57,722,987,366.75
  5. Step 5: Solve for x
    x = 57,722,987,366.75/273,689.82
  6. Step 6: Final answer
    x = 210,906.59

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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.