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Finding the Fourth Proportional to 110,851.62, 152,972.70 and 67,827.87

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Solution

The fourth proportional to 110,851.62, 152,972.70 and 67,827.87 is: 93,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,851.62 : 152,972.70 = 67,827.87 : x
  2. Step 2: Convert to fraction form
    110,851.62/152,972.70 = 67,827.87/x
  3. Step 3: Cross multiply
    110,851.62x = 152,972.70 × 67,827.87
  4. Step 4: Simplify right side
    110,851.62x = 10,375,812,409.15
  5. Step 5: Solve for x
    x = 10,375,812,409.15/110,851.62
  6. Step 6: Final answer
    x = 93,600.91

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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.