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Finding the Fourth Proportional to 88,108.97, 132,162.31 and 21,549.65

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Solution

The fourth proportional to 88,108.97, 132,162.31 and 21,549.65 is: 32,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.97 : 132,162.31 = 21,549.65 : x
  2. Step 2: Convert to fraction form
    88,108.97/132,162.31 = 21,549.65/x
  3. Step 3: Cross multiply
    88,108.97x = 132,162.31 × 21,549.65
  4. Step 4: Simplify right side
    88,108.97x = 2,848,050,809.01
  5. Step 5: Solve for x
    x = 2,848,050,809.01/88,108.97
  6. Step 6: Final answer
    x = 32,324.19

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1.5x scale

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.