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Finding the Fourth Proportional to 88,154.49, 132,230.81 and 21,594.96

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Solution

The fourth proportional to 88,154.49, 132,230.81 and 21,594.96 is: 32,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,154.49 : 132,230.81 = 21,594.96 : x
  2. Step 2: Convert to fraction form
    88,154.49/132,230.81 = 21,594.96/x
  3. Step 3: Cross multiply
    88,154.49x = 132,230.81 × 21,594.96
  4. Step 4: Simplify right side
    88,154.49x = 2,855,519,052.72
  5. Step 5: Solve for x
    x = 2,855,519,052.72/88,154.49
  6. Step 6: Final answer
    x = 32,392.21

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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.