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Finding the Fourth Proportional to 136,882.60, 205,226.70 and 52,610.20

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Solution

The fourth proportional to 136,882.60, 205,226.70 and 52,610.20 is: 78,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,882.60 : 205,226.70 = 52,610.20 : x
  2. Step 2: Convert to fraction form
    136,882.60/205,226.70 = 52,610.20/x
  3. Step 3: Cross multiply
    136,882.60x = 205,226.70 × 52,610.20
  4. Step 4: Simplify right side
    136,882.60x = 10,797,017,732.34
  5. Step 5: Solve for x
    x = 10,797,017,732.34/136,882.60
  6. Step 6: Final answer
    x = 78,877.94

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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.