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Finding the Fourth Proportional to 155,791.14, 233,599.17 and 64,578.66

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Solution

The fourth proportional to 155,791.14, 233,599.17 and 64,578.66 is: 96,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,791.14 : 233,599.17 = 64,578.66 : x
  2. Step 2: Convert to fraction form
    155,791.14/233,599.17 = 64,578.66/x
  3. Step 3: Cross multiply
    155,791.14x = 233,599.17 × 64,578.66
  4. Step 4: Simplify right side
    155,791.14x = 15,085,521,375.71
  5. Step 5: Solve for x
    x = 15,085,521,375.71/155,791.14
  6. Step 6: Final answer
    x = 96,831.70

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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.