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Finding the Fourth Proportional to 89,367.68, 123,334.68 and 49,089.22

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Solution

The fourth proportional to 89,367.68, 123,334.68 and 49,089.22 is: 67,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,367.68 : 123,334.68 = 49,089.22 : x
  2. Step 2: Convert to fraction form
    89,367.68/123,334.68 = 49,089.22/x
  3. Step 3: Cross multiply
    89,367.68x = 123,334.68 × 49,089.22
  4. Step 4: Simplify right side
    89,367.68x = 6,054,403,240.15
  5. Step 5: Solve for x
    x = 6,054,403,240.15/89,367.68
  6. Step 6: Final answer
    x = 67,747.12

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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.