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Finding the Fourth Proportional to 173,119.30, 259,714.05 and 98,275.30

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Solution

The fourth proportional to 173,119.30, 259,714.05 and 98,275.30 is: 147,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,119.30 : 259,714.05 = 98,275.30 : x
  2. Step 2: Convert to fraction form
    173,119.30/259,714.05 = 98,275.30/x
  3. Step 3: Cross multiply
    173,119.30x = 259,714.05 × 98,275.30
  4. Step 4: Simplify right side
    173,119.30x = 25,523,476,177.97
  5. Step 5: Solve for x
    x = 25,523,476,177.97/173,119.30
  6. Step 6: Final answer
    x = 147,432.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.