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Finding the Fourth Proportional to 89,266, 123,187.08 and 49,529.68

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Solution

The fourth proportional to 89,266, 123,187.08 and 49,529.68 is: 68,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,266 : 123,187.08 = 49,529.68 : x
  2. Step 2: Convert to fraction form
    89,266/123,187.08 = 49,529.68/x
  3. Step 3: Cross multiply
    89,266x = 123,187.08 × 49,529.68
  4. Step 4: Simplify right side
    89,266x = 6,101,416,652.53
  5. Step 5: Solve for x
    x = 6,101,416,652.53/89,266
  6. Step 6: Final answer
    x = 68,350.96

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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.