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Finding the Fourth Proportional to 88,884.40, 122,673 and 54,449.68

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Solution

The fourth proportional to 88,884.40, 122,673 and 54,449.68 is: 75,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,884.40 : 122,673 = 54,449.68 : x
  2. Step 2: Convert to fraction form
    88,884.40/122,673 = 54,449.68/x
  3. Step 3: Cross multiply
    88,884.40x = 122,673 × 54,449.68
  4. Step 4: Simplify right side
    88,884.40x = 6,679,505,594.64
  5. Step 5: Solve for x
    x = 6,679,505,594.64/88,884.40
  6. Step 6: Final answer
    x = 75,148.23

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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.