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Finding the Fourth Proportional to 83,332.80, 124,853.58 and 69,382.44

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Solution

The fourth proportional to 83,332.80, 124,853.58 and 69,382.44 is: 103,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,332.80 : 124,853.58 = 69,382.44 : x
  2. Step 2: Convert to fraction form
    83,332.80/124,853.58 = 69,382.44/x
  3. Step 3: Cross multiply
    83,332.80x = 124,853.58 × 69,382.44
  4. Step 4: Simplify right side
    83,332.80x = 8,662,646,023.14
  5. Step 5: Solve for x
    x = 8,662,646,023.14/83,332.80
  6. Step 6: Final answer
    x = 103,952.42

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1.5x scale

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.