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Finding the Fourth Proportional to 88,223.70, 132,321.66 and 73,326.48

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Solution

The fourth proportional to 88,223.70, 132,321.66 and 73,326.48 is: 109,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,223.70 : 132,321.66 = 73,326.48 : x
  2. Step 2: Convert to fraction form
    88,223.70/132,321.66 = 73,326.48/x
  3. Step 3: Cross multiply
    88,223.70x = 132,321.66 × 73,326.48
  4. Step 4: Simplify right side
    88,223.70x = 9,702,681,555.56
  5. Step 5: Solve for x
    x = 9,702,681,555.56/88,223.70
  6. Step 6: Final answer
    x = 109,978.18

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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.