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Finding the Fourth Proportional to 89,187.62, 123,079.89 and 50,952.21

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Solution

The fourth proportional to 89,187.62, 123,079.89 and 50,952.21 is: 70,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.62 : 123,079.89 = 50,952.21 : x
  2. Step 2: Convert to fraction form
    89,187.62/123,079.89 = 50,952.21/x
  3. Step 3: Cross multiply
    89,187.62x = 123,079.89 × 50,952.21
  4. Step 4: Simplify right side
    89,187.62x = 6,271,192,402.06
  5. Step 5: Solve for x
    x = 6,271,192,402.06/89,187.62
  6. Step 6: Final answer
    x = 70,314.61

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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.