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Finding the Fourth Proportional to 95,578.84, 142,561.69 and 82,999.95

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Solution

The fourth proportional to 95,578.84, 142,561.69 and 82,999.95 is: 123,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,578.84 : 142,561.69 = 82,999.95 : x
  2. Step 2: Convert to fraction form
    95,578.84/142,561.69 = 82,999.95/x
  3. Step 3: Cross multiply
    95,578.84x = 142,561.69 × 82,999.95
  4. Step 4: Simplify right side
    95,578.84x = 11,832,613,141.92
  5. Step 5: Solve for x
    x = 11,832,613,141.92/95,578.84
  6. Step 6: Final answer
    x = 123,799.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.