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Finding the Fourth Proportional to 110,470.32, 152,459.64 and 68,053.68

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Solution

The fourth proportional to 110,470.32, 152,459.64 and 68,053.68 is: 93,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,470.32 : 152,459.64 = 68,053.68 : x
  2. Step 2: Convert to fraction form
    110,470.32/152,459.64 = 68,053.68/x
  3. Step 3: Cross multiply
    110,470.32x = 152,459.64 × 68,053.68
  4. Step 4: Simplify right side
    110,470.32x = 10,375,439,553.48
  5. Step 5: Solve for x
    x = 10,375,439,553.48/110,470.32
  6. Step 6: Final answer
    x = 93,920.61

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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.