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Finding the Fourth Proportional to 172,471.68, 258,399.72 and 93,535.56

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Solution

The fourth proportional to 172,471.68, 258,399.72 and 93,535.56 is: 140,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,471.68 : 258,399.72 = 93,535.56 : x
  2. Step 2: Convert to fraction form
    172,471.68/258,399.72 = 93,535.56/x
  3. Step 3: Cross multiply
    172,471.68x = 258,399.72 × 93,535.56
  4. Step 4: Simplify right side
    172,471.68x = 24,169,562,514.04
  5. Step 5: Solve for x
    x = 24,169,562,514.04/172,471.68
  6. Step 6: Final answer
    x = 140,136.41

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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.