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Finding the Fourth Proportional to 171,795.74, 257,717.92 and 53,479.04

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Solution

The fourth proportional to 171,795.74, 257,717.92 and 53,479.04 is: 80,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,795.74 : 257,717.92 = 53,479.04 : x
  2. Step 2: Convert to fraction form
    171,795.74/257,717.92 = 53,479.04/x
  3. Step 3: Cross multiply
    171,795.74x = 257,717.92 × 53,479.04
  4. Step 4: Simplify right side
    171,795.74x = 13,782,506,952.40
  5. Step 5: Solve for x
    x = 13,782,506,952.40/171,795.74
  6. Step 6: Final answer
    x = 80,226.13

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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.