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Finding the Fourth Proportional to 123,898.44, 185,854.68 and 35,144.92

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Solution

The fourth proportional to 123,898.44, 185,854.68 and 35,144.92 is: 52,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,898.44 : 185,854.68 = 35,144.92 : x
  2. Step 2: Convert to fraction form
    123,898.44/185,854.68 = 35,144.92/x
  3. Step 3: Cross multiply
    123,898.44x = 185,854.68 × 35,144.92
  4. Step 4: Simplify right side
    123,898.44x = 6,531,847,860.23
  5. Step 5: Solve for x
    x = 6,531,847,860.23/123,898.44
  6. Step 6: Final answer
    x = 52,719.37

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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.