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Finding the Fourth Proportional to 57,250.76, 85,862.16 and 44,739.76

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Solution

The fourth proportional to 57,250.76, 85,862.16 and 44,739.76 is: 67,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.76 : 85,862.16 = 44,739.76 : x
  2. Step 2: Convert to fraction form
    57,250.76/85,862.16 = 44,739.76/x
  3. Step 3: Cross multiply
    57,250.76x = 85,862.16 × 44,739.76
  4. Step 4: Simplify right side
    57,250.76x = 3,841,452,431.48
  5. Step 5: Solve for x
    x = 3,841,452,431.48/57,250.76
  6. Step 6: Final answer
    x = 67,098.72

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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.