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Finding the Fourth Proportional to 89,174.70, 123,060.60 and 48,890.16

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Solution

The fourth proportional to 89,174.70, 123,060.60 and 48,890.16 is: 67,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,174.70 : 123,060.60 = 48,890.16 : x
  2. Step 2: Convert to fraction form
    89,174.70/123,060.60 = 48,890.16/x
  3. Step 3: Cross multiply
    89,174.70x = 123,060.60 × 48,890.16
  4. Step 4: Simplify right side
    89,174.70x = 6,016,452,423.70
  5. Step 5: Solve for x
    x = 6,016,452,423.70/89,174.70
  6. Step 6: Final answer
    x = 67,468.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.