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Finding the Fourth Proportional to 89,882.80, 124,038.11 and 49,596.53

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Solution

The fourth proportional to 89,882.80, 124,038.11 and 49,596.53 is: 68,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,882.80 : 124,038.11 = 49,596.53 : x
  2. Step 2: Convert to fraction form
    89,882.80/124,038.11 = 49,596.53/x
  3. Step 3: Cross multiply
    89,882.80x = 124,038.11 × 49,596.53
  4. Step 4: Simplify right side
    89,882.80x = 6,151,859,347.56
  5. Step 5: Solve for x
    x = 6,151,859,347.56/89,882.80
  6. Step 6: Final answer
    x = 68,443.12

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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.