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Finding the Fourth Proportional to 173,481.53, 239,391.18 and 105,489.18

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Solution

The fourth proportional to 173,481.53, 239,391.18 and 105,489.18 is: 145,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,481.53 : 239,391.18 = 105,489.18 : x
  2. Step 2: Convert to fraction form
    173,481.53/239,391.18 = 105,489.18/x
  3. Step 3: Cross multiply
    173,481.53x = 239,391.18 × 105,489.18
  4. Step 4: Simplify right side
    173,481.53x = 25,253,179,277.43
  5. Step 5: Solve for x
    x = 25,253,179,277.43/173,481.53
  6. Step 6: Final answer
    x = 145,566.97

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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.