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Finding the Fourth Proportional to 59,959.70, 89,939.55 and 50,191.10

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Solution

The fourth proportional to 59,959.70, 89,939.55 and 50,191.10 is: 75,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,959.70 : 89,939.55 = 50,191.10 : x
  2. Step 2: Convert to fraction form
    59,959.70/89,939.55 = 50,191.10/x
  3. Step 3: Cross multiply
    59,959.70x = 89,939.55 × 50,191.10
  4. Step 4: Simplify right side
    59,959.70x = 4,514,164,948.01
  5. Step 5: Solve for x
    x = 4,514,164,948.01/59,959.70
  6. Step 6: Final answer
    x = 75,286.65

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Similar ratio
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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.