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Finding the Fourth Proportional to 88,928.65, 133,393.21 and 36,338.14

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Solution

The fourth proportional to 88,928.65, 133,393.21 and 36,338.14 is: 54,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,928.65 : 133,393.21 = 36,338.14 : x
  2. Step 2: Convert to fraction form
    88,928.65/133,393.21 = 36,338.14/x
  3. Step 3: Cross multiply
    88,928.65x = 133,393.21 × 36,338.14
  4. Step 4: Simplify right side
    88,928.65x = 4,847,260,715.70
  5. Step 5: Solve for x
    x = 4,847,260,715.70/88,928.65
  6. Step 6: Final answer
    x = 54,507.30

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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.