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Finding the Fourth Proportional to 88,694.60, 133,085.10 and 67,627.40

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Solution

The fourth proportional to 88,694.60, 133,085.10 and 67,627.40 is: 101,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.60 : 133,085.10 = 67,627.40 : x
  2. Step 2: Convert to fraction form
    88,694.60/133,085.10 = 67,627.40/x
  3. Step 3: Cross multiply
    88,694.60x = 133,085.10 × 67,627.40
  4. Step 4: Simplify right side
    88,694.60x = 9,000,199,291.74
  5. Step 5: Solve for x
    x = 9,000,199,291.74/88,694.60
  6. Step 6: Final answer
    x = 101,474.04

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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.