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Finding the Fourth Proportional to 88,491.49, 132,604.49 and 71,883.65

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Solution

The fourth proportional to 88,491.49, 132,604.49 and 71,883.65 is: 107,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,491.49 : 132,604.49 = 71,883.65 : x
  2. Step 2: Convert to fraction form
    88,491.49/132,604.49 = 71,883.65/x
  3. Step 3: Cross multiply
    88,491.49x = 132,604.49 × 71,883.65
  4. Step 4: Simplify right side
    88,491.49x = 9,532,095,258.81
  5. Step 5: Solve for x
    x = 9,532,095,258.81/88,491.49
  6. Step 6: Final answer
    x = 107,717.65

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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.