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Finding the Fourth Proportional to 76,882.92, 106,098.33 and 43,348.92

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Solution

The fourth proportional to 76,882.92, 106,098.33 and 43,348.92 is: 59,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,882.92 : 106,098.33 = 43,348.92 : x
  2. Step 2: Convert to fraction form
    76,882.92/106,098.33 = 43,348.92/x
  3. Step 3: Cross multiply
    76,882.92x = 106,098.33 × 43,348.92
  4. Step 4: Simplify right side
    76,882.92x = 4,599,248,019.30
  5. Step 5: Solve for x
    x = 4,599,248,019.30/76,882.92
  6. Step 6: Final answer
    x = 59,821.45

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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.