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Finding the Fourth Proportional to 67,694.52, 101,430.81 and 47,937.62

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Solution

The fourth proportional to 67,694.52, 101,430.81 and 47,937.62 is: 71,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,694.52 : 101,430.81 = 47,937.62 : x
  2. Step 2: Convert to fraction form
    67,694.52/101,430.81 = 47,937.62/x
  3. Step 3: Cross multiply
    67,694.52x = 101,430.81 × 47,937.62
  4. Step 4: Simplify right side
    67,694.52x = 4,862,351,118.92
  5. Step 5: Solve for x
    x = 4,862,351,118.92/67,694.52
  6. Step 6: Final answer
    x = 71,827.84

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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.