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Finding the Fourth Proportional to 108,843.75, 163,265.63 and 38,723.27

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Solution

The fourth proportional to 108,843.75, 163,265.63 and 38,723.27 is: 58,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,843.75 : 163,265.63 = 38,723.27 : x
  2. Step 2: Convert to fraction form
    108,843.75/163,265.63 = 38,723.27/x
  3. Step 3: Cross multiply
    108,843.75x = 163,265.63 × 38,723.27
  4. Step 4: Simplify right side
    108,843.75x = 6,322,178,062.27
  5. Step 5: Solve for x
    x = 6,322,178,062.27/108,843.75
  6. Step 6: Final answer
    x = 58,084.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.