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Finding the Fourth Proportional to 126,894.80, 175,200.36 and 113,422.88

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Solution

The fourth proportional to 126,894.80, 175,200.36 and 113,422.88 is: 156,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,894.80 : 175,200.36 = 113,422.88 : x
  2. Step 2: Convert to fraction form
    126,894.80/175,200.36 = 113,422.88/x
  3. Step 3: Cross multiply
    126,894.80x = 175,200.36 × 113,422.88
  4. Step 4: Simplify right side
    126,894.80x = 19,871,729,408.24
  5. Step 5: Solve for x
    x = 19,871,729,408.24/126,894.80
  6. Step 6: Final answer
    x = 156,600.03

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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.