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Finding the Fourth Proportional to 88,980.80, 122,792.44 and 48,694.16

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Solution

The fourth proportional to 88,980.80, 122,792.44 and 48,694.16 is: 67,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,980.80 : 122,792.44 = 48,694.16 : x
  2. Step 2: Convert to fraction form
    88,980.80/122,792.44 = 48,694.16/x
  3. Step 3: Cross multiply
    88,980.80x = 122,792.44 × 48,694.16
  4. Step 4: Simplify right side
    88,980.80x = 5,979,274,720.15
  5. Step 5: Solve for x
    x = 5,979,274,720.15/88,980.80
  6. Step 6: Final answer
    x = 67,197.36

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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.