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Finding the Fourth Proportional to 126,608.88, 174,723.76 and 70,023.84

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Solution

The fourth proportional to 126,608.88, 174,723.76 and 70,023.84 is: 96,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,608.88 : 174,723.76 = 70,023.84 : x
  2. Step 2: Convert to fraction form
    126,608.88/174,723.76 = 70,023.84/x
  3. Step 3: Cross multiply
    126,608.88x = 174,723.76 × 70,023.84
  4. Step 4: Simplify right side
    126,608.88x = 12,234,828,614.44
  5. Step 5: Solve for x
    x = 12,234,828,614.44/126,608.88
  6. Step 6: Final answer
    x = 96,634.84

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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.