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Finding the Fourth Proportional to 171,792.74, 257,713.42 and 53,476.04

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Solution

The fourth proportional to 171,792.74, 257,713.42 and 53,476.04 is: 80,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,792.74 : 257,713.42 = 53,476.04 : x
  2. Step 2: Convert to fraction form
    171,792.74/257,713.42 = 53,476.04/x
  3. Step 3: Cross multiply
    171,792.74x = 257,713.42 × 53,476.04
  4. Step 4: Simplify right side
    171,792.74x = 13,781,493,156.46
  5. Step 5: Solve for x
    x = 13,781,493,156.46/171,792.74
  6. Step 6: Final answer
    x = 80,221.63

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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.