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Finding the Fourth Proportional to 171,020.52, 256,564.38 and 52,671.72

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Solution

The fourth proportional to 171,020.52, 256,564.38 and 52,671.72 is: 79,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,020.52 : 256,564.38 = 52,671.72 : x
  2. Step 2: Convert to fraction form
    171,020.52/256,564.38 = 52,671.72/x
  3. Step 3: Cross multiply
    171,020.52x = 256,564.38 × 52,671.72
  4. Step 4: Simplify right side
    171,020.52x = 13,513,687,185.33
  5. Step 5: Solve for x
    x = 13,513,687,185.33/171,020.52
  6. Step 6: Final answer
    x = 79,017.93

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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.