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Finding the Fourth Proportional to 88,756.92, 122,479.94 and 48,462.90

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Solution

The fourth proportional to 88,756.92, 122,479.94 and 48,462.90 is: 66,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,756.92 : 122,479.94 = 48,462.90 : x
  2. Step 2: Convert to fraction form
    88,756.92/122,479.94 = 48,462.90/x
  3. Step 3: Cross multiply
    88,756.92x = 122,479.94 × 48,462.90
  4. Step 4: Simplify right side
    88,756.92x = 5,935,733,084.23
  5. Step 5: Solve for x
    x = 5,935,733,084.23/88,756.92
  6. Step 6: Final answer
    x = 66,876.29

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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.