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Finding the Fourth Proportional to 124,434, 171,713.16 and 67,844.88

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Solution

The fourth proportional to 124,434, 171,713.16 and 67,844.88 is: 93,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,434 : 171,713.16 = 67,844.88 : x
  2. Step 2: Convert to fraction form
    124,434/171,713.16 = 67,844.88/x
  3. Step 3: Cross multiply
    124,434x = 171,713.16 × 67,844.88
  4. Step 4: Simplify right side
    124,434x = 11,649,858,734.62
  5. Step 5: Solve for x
    x = 11,649,858,734.62/124,434
  6. Step 6: Final answer
    x = 93,622.79

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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.