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Finding the Fourth Proportional to 88,767.70, 122,497.72 and 48,481.74

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Solution

The fourth proportional to 88,767.70, 122,497.72 and 48,481.74 is: 66,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,767.70 : 122,497.72 = 48,481.74 : x
  2. Step 2: Convert to fraction form
    88,767.70/122,497.72 = 48,481.74/x
  3. Step 3: Cross multiply
    88,767.70x = 122,497.72 × 48,481.74
  4. Step 4: Simplify right side
    88,767.70x = 5,938,902,490.43
  5. Step 5: Solve for x
    x = 5,938,902,490.43/88,767.70
  6. Step 6: Final answer
    x = 66,903.87

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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.