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Finding the Fourth Proportional to 67,348.52, 92,951.70 and 51,402.68

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Solution

The fourth proportional to 67,348.52, 92,951.70 and 51,402.68 is: 70,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,348.52 : 92,951.70 = 51,402.68 : x
  2. Step 2: Convert to fraction form
    67,348.52/92,951.70 = 51,402.68/x
  3. Step 3: Cross multiply
    67,348.52x = 92,951.70 × 51,402.68
  4. Step 4: Simplify right side
    67,348.52x = 4,777,966,490.56
  5. Step 5: Solve for x
    x = 4,777,966,490.56/67,348.52
  6. Step 6: Final answer
    x = 70,943.90

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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.