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Finding the Fourth Proportional to 173,254.40, 259,687.20 and 98,410.40

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Solution

The fourth proportional to 173,254.40, 259,687.20 and 98,410.40 is: 147,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,254.40 : 259,687.20 = 98,410.40 : x
  2. Step 2: Convert to fraction form
    173,254.40/259,687.20 = 98,410.40/x
  3. Step 3: Cross multiply
    173,254.40x = 259,687.20 × 98,410.40
  4. Step 4: Simplify right side
    173,254.40x = 25,555,921,226.88
  5. Step 5: Solve for x
    x = 25,555,921,226.88/173,254.40
  6. Step 6: Final answer
    x = 147,505.18

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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.