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Finding the Fourth Proportional to 193,987.80, 267,551.25 and 126,026.52

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Solution

The fourth proportional to 193,987.80, 267,551.25 and 126,026.52 is: 173,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,987.80 : 267,551.25 = 126,026.52 : x
  2. Step 2: Convert to fraction form
    193,987.80/267,551.25 = 126,026.52/x
  3. Step 3: Cross multiply
    193,987.80x = 267,551.25 × 126,026.52
  4. Step 4: Simplify right side
    193,987.80x = 33,718,552,959.15
  5. Step 5: Solve for x
    x = 33,718,552,959.15/193,987.80
  6. Step 6: Final answer
    x = 173,817.90

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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.