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Finding the Fourth Proportional to 89,885.62, 124,042.54 and 49,600.58

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Solution

The fourth proportional to 89,885.62, 124,042.54 and 49,600.58 is: 68,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885.62 : 124,042.54 = 49,600.58 : x
  2. Step 2: Convert to fraction form
    89,885.62/124,042.54 = 49,600.58/x
  3. Step 3: Cross multiply
    89,885.62x = 124,042.54 × 49,600.58
  4. Step 4: Simplify right side
    89,885.62x = 6,152,581,928.67
  5. Step 5: Solve for x
    x = 6,152,581,928.67/89,885.62
  6. Step 6: Final answer
    x = 68,449.01

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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.