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Finding the Fourth Proportional to 89,168.86, 123,052.93 and 48,882.97

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Solution

The fourth proportional to 89,168.86, 123,052.93 and 48,882.97 is: 67,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,168.86 : 123,052.93 = 48,882.97 : x
  2. Step 2: Convert to fraction form
    89,168.86/123,052.93 = 48,882.97/x
  3. Step 3: Cross multiply
    89,168.86x = 123,052.93 × 48,882.97
  4. Step 4: Simplify right side
    89,168.86x = 6,015,192,685.60
  5. Step 5: Solve for x
    x = 6,015,192,685.60/89,168.86
  6. Step 6: Final answer
    x = 67,458.45

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1.5x scale

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.