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Finding the Fourth Proportional to 67,714.86, 93,415.49 and 43,849.23

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Solution

The fourth proportional to 67,714.86, 93,415.49 and 43,849.23 is: 60,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,714.86 : 93,415.49 = 43,849.23 : x
  2. Step 2: Convert to fraction form
    67,714.86/93,415.49 = 43,849.23/x
  3. Step 3: Cross multiply
    67,714.86x = 93,415.49 × 43,849.23
  4. Step 4: Simplify right side
    67,714.86x = 4,096,197,306.57
  5. Step 5: Solve for x
    x = 4,096,197,306.57/67,714.86
  6. Step 6: Final answer
    x = 60,491.85

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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.