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Finding the Fourth Proportional to 88,969.98, 122,773.17 and 50,724.18

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Solution

The fourth proportional to 88,969.98, 122,773.17 and 50,724.18 is: 69,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,969.98 : 122,773.17 = 50,724.18 : x
  2. Step 2: Convert to fraction form
    88,969.98/122,773.17 = 50,724.18/x
  3. Step 3: Cross multiply
    88,969.98x = 122,773.17 × 50,724.18
  4. Step 4: Simplify right side
    88,969.98x = 6,227,568,374.25
  5. Step 5: Solve for x
    x = 6,227,568,374.25/88,969.98
  6. Step 6: Final answer
    x = 69,996.29

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1.5x scale

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.