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Finding the Fourth Proportional to 123,570.60, 185,355.90 and 44,687.40

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Solution

The fourth proportional to 123,570.60, 185,355.90 and 44,687.40 is: 67,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,570.60 : 185,355.90 = 44,687.40 : x
  2. Step 2: Convert to fraction form
    123,570.60/185,355.90 = 44,687.40/x
  3. Step 3: Cross multiply
    123,570.60x = 185,355.90 × 44,687.40
  4. Step 4: Simplify right side
    123,570.60x = 8,283,073,245.66
  5. Step 5: Solve for x
    x = 8,283,073,245.66/123,570.60
  6. Step 6: Final answer
    x = 67,031.10

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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.