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Finding the Fourth Proportional to 173,251.49, 259,960.28 and 84,456.59

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Solution

The fourth proportional to 173,251.49, 259,960.28 and 84,456.59 is: 126,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,251.49 : 259,960.28 = 84,456.59 : x
  2. Step 2: Convert to fraction form
    173,251.49/259,960.28 = 84,456.59/x
  3. Step 3: Cross multiply
    173,251.49x = 259,960.28 × 84,456.59
  4. Step 4: Simplify right side
    173,251.49x = 21,955,357,062.16
  5. Step 5: Solve for x
    x = 21,955,357,062.16/173,251.49
  6. Step 6: Final answer
    x = 126,725.36

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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.