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Finding the Fourth Proportional to 88,969.88, 133,774.88 and 82,034.66

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Solution

The fourth proportional to 88,969.88, 133,774.88 and 82,034.66 is: 123,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,969.88 : 133,774.88 = 82,034.66 : x
  2. Step 2: Convert to fraction form
    88,969.88/133,774.88 = 82,034.66/x
  3. Step 3: Cross multiply
    88,969.88x = 133,774.88 × 82,034.66
  4. Step 4: Simplify right side
    88,969.88x = 10,974,175,718.29
  5. Step 5: Solve for x
    x = 10,974,175,718.29/88,969.88
  6. Step 6: Final answer
    x = 123,347.10

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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.