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Finding the Fourth Proportional to 67,332.45, 92,978.58 and 41,882.43

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Solution

The fourth proportional to 67,332.45, 92,978.58 and 41,882.43 is: 57,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.45 : 92,978.58 = 41,882.43 : x
  2. Step 2: Convert to fraction form
    67,332.45/92,978.58 = 41,882.43/x
  3. Step 3: Cross multiply
    67,332.45x = 92,978.58 × 41,882.43
  4. Step 4: Simplify right side
    67,332.45x = 3,894,168,868.35
  5. Step 5: Solve for x
    x = 3,894,168,868.35/67,332.45
  6. Step 6: Final answer
    x = 57,834.95

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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.