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Finding the Fourth Proportional to 96,882.34, 133,710.16 and 54,440.88

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Solution

The fourth proportional to 96,882.34, 133,710.16 and 54,440.88 is: 75,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,882.34 : 133,710.16 = 54,440.88 : x
  2. Step 2: Convert to fraction form
    96,882.34/133,710.16 = 54,440.88/x
  3. Step 3: Cross multiply
    96,882.34x = 133,710.16 × 54,440.88
  4. Step 4: Simplify right side
    96,882.34x = 7,279,298,778.33
  5. Step 5: Solve for x
    x = 7,279,298,778.33/96,882.34
  6. Step 6: Final answer
    x = 75,135.45

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1.5x scale

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.