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Finding the Fourth Proportional to 123,595.20, 185,479.20 and 53,524.80

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Solution

The fourth proportional to 123,595.20, 185,479.20 and 53,524.80 is: 80,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,595.20 : 185,479.20 = 53,524.80 : x
  2. Step 2: Convert to fraction form
    123,595.20/185,479.20 = 53,524.80/x
  3. Step 3: Cross multiply
    123,595.20x = 185,479.20 × 53,524.80
  4. Step 4: Simplify right side
    123,595.20x = 9,927,737,084.16
  5. Step 5: Solve for x
    x = 9,927,737,084.16/123,595.20
  6. Step 6: Final answer
    x = 80,324.62

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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.