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Finding the Fourth Proportional to 175,501.91, 263,034.46 and 85,471.02

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Solution

The fourth proportional to 175,501.91, 263,034.46 and 85,471.02 is: 128,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,501.91 : 263,034.46 = 85,471.02 : x
  2. Step 2: Convert to fraction form
    175,501.91/263,034.46 = 85,471.02/x
  3. Step 3: Cross multiply
    175,501.91x = 263,034.46 × 85,471.02
  4. Step 4: Simplify right side
    175,501.91x = 22,481,823,591.35
  5. Step 5: Solve for x
    x = 22,481,823,591.35/175,501.91
  6. Step 6: Final answer
    x = 128,100.16

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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.