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Finding the Fourth Proportional to 123,862.87, 185,793.55 and 35,116.39

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Solution

The fourth proportional to 123,862.87, 185,793.55 and 35,116.39 is: 52,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862.87 : 185,793.55 = 35,116.39 : x
  2. Step 2: Convert to fraction form
    123,862.87/185,793.55 = 35,116.39/x
  3. Step 3: Cross multiply
    123,862.87x = 185,793.55 × 35,116.39
  4. Step 4: Simplify right side
    123,862.87x = 6,524,397,860.65
  5. Step 5: Solve for x
    x = 6,524,397,860.65/123,862.87
  6. Step 6: Final answer
    x = 52,674.36

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1.5x scale

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.