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Finding the Fourth Proportional to 126,846.50, 175,048.17 and 70,261.52

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Solution

The fourth proportional to 126,846.50, 175,048.17 and 70,261.52 is: 96,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846.50 : 175,048.17 = 70,261.52 : x
  2. Step 2: Convert to fraction form
    126,846.50/175,048.17 = 70,261.52/x
  3. Step 3: Cross multiply
    126,846.50x = 175,048.17 × 70,261.52
  4. Step 4: Simplify right side
    126,846.50x = 12,299,150,497.42
  5. Step 5: Solve for x
    x = 12,299,150,497.42/126,846.50
  6. Step 6: Final answer
    x = 96,960.90

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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.