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Finding the Fourth Proportional to 100,392.92, 150,514.47 and 60,402.53

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Solution

The fourth proportional to 100,392.92, 150,514.47 and 60,402.53 is: 90,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,392.92 : 150,514.47 = 60,402.53 : x
  2. Step 2: Convert to fraction form
    100,392.92/150,514.47 = 60,402.53/x
  3. Step 3: Cross multiply
    100,392.92x = 150,514.47 × 60,402.53
  4. Step 4: Simplify right side
    100,392.92x = 9,091,454,789.61
  5. Step 5: Solve for x
    x = 9,091,454,789.61/100,392.92
  6. Step 6: Final answer
    x = 90,558.72

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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.