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Finding the Fourth Proportional to 82,060, 123,089.76 and 63,367.36

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Solution

The fourth proportional to 82,060, 123,089.76 and 63,367.36 is: 95,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,060 : 123,089.76 = 63,367.36 : x
  2. Step 2: Convert to fraction form
    82,060/123,089.76 = 63,367.36/x
  3. Step 3: Cross multiply
    82,060x = 123,089.76 × 63,367.36
  4. Step 4: Simplify right side
    82,060x = 7,799,873,134.23
  5. Step 5: Solve for x
    x = 7,799,873,134.23/82,060
  6. Step 6: Final answer
    x = 95,050.85

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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.