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Finding the Fourth Proportional to 57,243.99, 85,754.80 and 32,207.70

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Solution

The fourth proportional to 57,243.99, 85,754.80 and 32,207.70 is: 48,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243.99 : 85,754.80 = 32,207.70 : x
  2. Step 2: Convert to fraction form
    57,243.99/85,754.80 = 32,207.70/x
  3. Step 3: Cross multiply
    57,243.99x = 85,754.80 × 32,207.70
  4. Step 4: Simplify right side
    57,243.99x = 2,761,964,871.96
  5. Step 5: Solve for x
    x = 2,761,964,871.96/57,243.99
  6. Step 6: Final answer
    x = 48,248.99

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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.