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Finding the Fourth Proportional to 88,363.32, 132,540.66 and 32,955

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Solution

The fourth proportional to 88,363.32, 132,540.66 and 32,955 is: 49,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,363.32 : 132,540.66 = 32,955 : x
  2. Step 2: Convert to fraction form
    88,363.32/132,540.66 = 32,955/x
  3. Step 3: Cross multiply
    88,363.32x = 132,540.66 × 32,955
  4. Step 4: Simplify right side
    88,363.32x = 4,367,877,450.30
  5. Step 5: Solve for x
    x = 4,367,877,450.30/88,363.32
  6. Step 6: Final answer
    x = 49,430.89

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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.