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Finding the Fourth Proportional to 88,965.32, 133,442.22 and 33,559.88

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Solution

The fourth proportional to 88,965.32, 133,442.22 and 33,559.88 is: 50,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,965.32 : 133,442.22 = 33,559.88 : x
  2. Step 2: Convert to fraction form
    88,965.32/133,442.22 = 33,559.88/x
  3. Step 3: Cross multiply
    88,965.32x = 133,442.22 × 33,559.88
  4. Step 4: Simplify right side
    88,965.32x = 4,478,304,890.13
  5. Step 5: Solve for x
    x = 4,478,304,890.13/88,965.32
  6. Step 6: Final answer
    x = 50,337.65

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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.