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Finding the Fourth Proportional to 89,957.27, 134,928.08 and 36,654.87

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Solution

The fourth proportional to 89,957.27, 134,928.08 and 36,654.87 is: 54,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.27 : 134,928.08 = 36,654.87 : x
  2. Step 2: Convert to fraction form
    89,957.27/134,928.08 = 36,654.87/x
  3. Step 3: Cross multiply
    89,957.27x = 134,928.08 × 36,654.87
  4. Step 4: Simplify right side
    89,957.27x = 4,945,771,231.75
  5. Step 5: Solve for x
    x = 4,945,771,231.75/89,957.27
  6. Step 6: Final answer
    x = 54,979.12

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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.