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Finding the Fourth Proportional to 140,084.55, 209,934.09 and 60,026.69

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Solution

The fourth proportional to 140,084.55, 209,934.09 and 60,026.69 is: 89,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.55 : 209,934.09 = 60,026.69 : x
  2. Step 2: Convert to fraction form
    140,084.55/209,934.09 = 60,026.69/x
  3. Step 3: Cross multiply
    140,084.55x = 209,934.09 × 60,026.69
  4. Step 4: Simplify right side
    140,084.55x = 12,601,647,491.19
  5. Step 5: Solve for x
    x = 12,601,647,491.19/140,084.55
  6. Step 6: Final answer
    x = 89,957.44

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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.