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Finding the Fourth Proportional to 88,690.68, 133,009.29 and 32,517.45

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Solution

The fourth proportional to 88,690.68, 133,009.29 and 32,517.45 is: 48,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690.68 : 133,009.29 = 32,517.45 : x
  2. Step 2: Convert to fraction form
    88,690.68/133,009.29 = 32,517.45/x
  3. Step 3: Cross multiply
    88,690.68x = 133,009.29 × 32,517.45
  4. Step 4: Simplify right side
    88,690.68x = 4,325,122,937.11
  5. Step 5: Solve for x
    x = 4,325,122,937.11/88,690.68
  6. Step 6: Final answer
    x = 48,766.37

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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.