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Finding the Fourth Proportional to 82,060, 123,101.88 and 25,881.04

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Solution

The fourth proportional to 82,060, 123,101.88 and 25,881.04 is: 38,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,060 : 123,101.88 = 25,881.04 : x
  2. Step 2: Convert to fraction form
    82,060/123,101.88 = 25,881.04/x
  3. Step 3: Cross multiply
    82,060x = 123,101.88 × 25,881.04
  4. Step 4: Simplify right side
    82,060x = 3,186,004,680.36
  5. Step 5: Solve for x
    x = 3,186,004,680.36/82,060
  6. Step 6: Final answer
    x = 38,825.31

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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.