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Finding the Fourth Proportional to 171,726.17, 256,338.42 and 159,062.87

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Solution

The fourth proportional to 171,726.17, 256,338.42 and 159,062.87 is: 237,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726.17 : 256,338.42 = 159,062.87 : x
  2. Step 2: Convert to fraction form
    171,726.17/256,338.42 = 159,062.87/x
  3. Step 3: Cross multiply
    171,726.17x = 256,338.42 × 159,062.87
  4. Step 4: Simplify right side
    171,726.17x = 40,773,923,494.77
  5. Step 5: Solve for x
    x = 40,773,923,494.77/171,726.17
  6. Step 6: Final answer
    x = 237,435.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.