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Finding the Fourth Proportional to 72,203.52, 108,294.12 and 27,851.04

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Solution

The fourth proportional to 72,203.52, 108,294.12 and 27,851.04 is: 41,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,203.52 : 108,294.12 = 27,851.04 : x
  2. Step 2: Convert to fraction form
    72,203.52/108,294.12 = 27,851.04/x
  3. Step 3: Cross multiply
    72,203.52x = 108,294.12 × 27,851.04
  4. Step 4: Simplify right side
    72,203.52x = 3,016,103,867.88
  5. Step 5: Solve for x
    x = 3,016,103,867.88/72,203.52
  6. Step 6: Final answer
    x = 41,772.26

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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.