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Finding the Fourth Proportional to 62,865.66, 94,188.81 and 52,402.92

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Solution

The fourth proportional to 62,865.66, 94,188.81 and 52,402.92 is: 78,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,865.66 : 94,188.81 = 52,402.92 : x
  2. Step 2: Convert to fraction form
    62,865.66/94,188.81 = 52,402.92/x
  3. Step 3: Cross multiply
    62,865.66x = 94,188.81 × 52,402.92
  4. Step 4: Simplify right side
    62,865.66x = 4,935,768,675.33
  5. Step 5: Solve for x
    x = 4,935,768,675.33/62,865.66
  6. Step 6: Final answer
    x = 78,512.95

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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.