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Finding the Fourth Proportional to 89,754.99, 123,861.24 and 49,468.77

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Solution

The fourth proportional to 89,754.99, 123,861.24 and 49,468.77 is: 68,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.99 : 123,861.24 = 49,468.77 : x
  2. Step 2: Convert to fraction form
    89,754.99/123,861.24 = 49,468.77/x
  3. Step 3: Cross multiply
    89,754.99x = 123,861.24 × 49,468.77
  4. Step 4: Simplify right side
    89,754.99x = 6,127,263,193.47
  5. Step 5: Solve for x
    x = 6,127,263,193.47/89,754.99
  6. Step 6: Final answer
    x = 68,266.55

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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.