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Finding the Fourth Proportional to 98,254.59, 147,376.72 and 31,694.73

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Solution

The fourth proportional to 98,254.59, 147,376.72 and 31,694.73 is: 47,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,254.59 : 147,376.72 = 31,694.73 : x
  2. Step 2: Convert to fraction form
    98,254.59/147,376.72 = 31,694.73/x
  3. Step 3: Cross multiply
    98,254.59x = 147,376.72 × 31,694.73
  4. Step 4: Simplify right side
    98,254.59x = 4,671,065,348.69
  5. Step 5: Solve for x
    x = 4,671,065,348.69/98,254.59
  6. Step 6: Final answer
    x = 47,540.43

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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.