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Finding the Fourth Proportional to 67,345.66, 92,976.88 and 59,873.02

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Solution

The fourth proportional to 67,345.66, 92,976.88 and 59,873.02 is: 82,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.66 : 92,976.88 = 59,873.02 : x
  2. Step 2: Convert to fraction form
    67,345.66/92,976.88 = 59,873.02/x
  3. Step 3: Cross multiply
    67,345.66x = 92,976.88 × 59,873.02
  4. Step 4: Simplify right side
    67,345.66x = 5,566,806,595.78
  5. Step 5: Solve for x
    x = 5,566,806,595.78/67,345.66
  6. Step 6: Final answer
    x = 82,660.21

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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.