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Finding the Fourth Proportional to 57,174.88, 78,901.33 and 34,818.88

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Solution

The fourth proportional to 57,174.88, 78,901.33 and 34,818.88 is: 48,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174.88 : 78,901.33 = 34,818.88 : x
  2. Step 2: Convert to fraction form
    57,174.88/78,901.33 = 34,818.88/x
  3. Step 3: Cross multiply
    57,174.88x = 78,901.33 × 34,818.88
  4. Step 4: Simplify right side
    57,174.88x = 2,747,255,546.60
  5. Step 5: Solve for x
    x = 2,747,255,546.60/57,174.88
  6. Step 6: Final answer
    x = 48,050.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.