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Finding the Fourth Proportional to 80,897.54, 121,250.99 and 36,472.28

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Solution

The fourth proportional to 80,897.54, 121,250.99 and 36,472.28 is: 54,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,897.54 : 121,250.99 = 36,472.28 : x
  2. Step 2: Convert to fraction form
    80,897.54/121,250.99 = 36,472.28/x
  3. Step 3: Cross multiply
    80,897.54x = 121,250.99 × 36,472.28
  4. Step 4: Simplify right side
    80,897.54x = 4,422,299,542.48
  5. Step 5: Solve for x
    x = 4,422,299,542.48/80,897.54
  6. Step 6: Final answer
    x = 54,665.44

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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.