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Finding the Fourth Proportional to 172,292.56, 258,598.76 and 88,112.88

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Solution

The fourth proportional to 172,292.56, 258,598.76 and 88,112.88 is: 132,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,292.56 : 258,598.76 = 88,112.88 : x
  2. Step 2: Convert to fraction form
    172,292.56/258,598.76 = 88,112.88/x
  3. Step 3: Cross multiply
    172,292.56x = 258,598.76 × 88,112.88
  4. Step 4: Simplify right side
    172,292.56x = 22,785,881,508.03
  5. Step 5: Solve for x
    x = 22,785,881,508.03/172,292.56
  6. Step 6: Final answer
    x = 132,251.11

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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.