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Finding the Fourth Proportional to 88,928.79, 133,393.41 and 36,338.28

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Solution

The fourth proportional to 88,928.79, 133,393.41 and 36,338.28 is: 54,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,928.79 : 133,393.41 = 36,338.28 : x
  2. Step 2: Convert to fraction form
    88,928.79/133,393.41 = 36,338.28/x
  3. Step 3: Cross multiply
    88,928.79x = 133,393.41 × 36,338.28
  4. Step 4: Simplify right side
    88,928.79x = 4,847,287,082.73
  5. Step 5: Solve for x
    x = 4,847,287,082.73/88,928.79
  6. Step 6: Final answer
    x = 54,507.51

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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.