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Finding the Fourth Proportional to 171,230.03, 256,803.51 and 71,335.73

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Solution

The fourth proportional to 171,230.03, 256,803.51 and 71,335.73 is: 106,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,230.03 : 256,803.51 = 71,335.73 : x
  2. Step 2: Convert to fraction form
    171,230.03/256,803.51 = 71,335.73/x
  3. Step 3: Cross multiply
    171,230.03x = 256,803.51 × 71,335.73
  4. Step 4: Simplify right side
    171,230.03x = 18,319,264,568.39
  5. Step 5: Solve for x
    x = 18,319,264,568.39/171,230.03
  6. Step 6: Final answer
    x = 106,986.29

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1.5x scale

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.