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Finding the Fourth Proportional to 67,658.77, 93,337.95 and 43,793.11

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Solution

The fourth proportional to 67,658.77, 93,337.95 and 43,793.11 is: 60,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,658.77 : 93,337.95 = 43,793.11 : x
  2. Step 2: Convert to fraction form
    67,658.77/93,337.95 = 43,793.11/x
  3. Step 3: Cross multiply
    67,658.77x = 93,337.95 × 43,793.11
  4. Step 4: Simplify right side
    67,658.77x = 4,087,559,111.52
  5. Step 5: Solve for x
    x = 4,087,559,111.52/67,658.77
  6. Step 6: Final answer
    x = 60,414.33

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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.