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Finding the Fourth Proportional to 173,713.36, 239,729.88 and 98,257

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Solution

The fourth proportional to 173,713.36, 239,729.88 and 98,257 is: 135,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,713.36 : 239,729.88 = 98,257 : x
  2. Step 2: Convert to fraction form
    173,713.36/239,729.88 = 98,257/x
  3. Step 3: Cross multiply
    173,713.36x = 239,729.88 × 98,257
  4. Step 4: Simplify right side
    173,713.36x = 23,555,138,819.16
  5. Step 5: Solve for x
    x = 23,555,138,819.16/173,713.36
  6. Step 6: Final answer
    x = 135,597.74

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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.