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Finding the Fourth Proportional to 88,636.62, 122,319.32 and 48,350.57

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Solution

The fourth proportional to 88,636.62, 122,319.32 and 48,350.57 is: 66,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,636.62 : 122,319.32 = 48,350.57 : x
  2. Step 2: Convert to fraction form
    88,636.62/122,319.32 = 48,350.57/x
  3. Step 3: Cross multiply
    88,636.62x = 122,319.32 × 48,350.57
  4. Step 4: Simplify right side
    88,636.62x = 5,914,208,844.01
  5. Step 5: Solve for x
    x = 5,914,208,844.01/88,636.62
  6. Step 6: Final answer
    x = 66,724.21

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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.