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Finding the Fourth Proportional to 173,115.30, 259,708.05 and 98,271.30

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Solution

The fourth proportional to 173,115.30, 259,708.05 and 98,271.30 is: 147,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115.30 : 259,708.05 = 98,271.30 : x
  2. Step 2: Convert to fraction form
    173,115.30/259,708.05 = 98,271.30/x
  3. Step 3: Cross multiply
    173,115.30x = 259,708.05 × 98,271.30
  4. Step 4: Simplify right side
    173,115.30x = 25,521,847,693.97
  5. Step 5: Solve for x
    x = 25,521,847,693.97/173,115.30
  6. Step 6: Final answer
    x = 147,426.88

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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.