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Finding the Fourth Proportional to 171,499.66, 256,025.98 and 160,102.71

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Solution

The fourth proportional to 171,499.66, 256,025.98 and 160,102.71 is: 239,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,499.66 : 256,025.98 = 160,102.71 : x
  2. Step 2: Convert to fraction form
    171,499.66/256,025.98 = 160,102.71/x
  3. Step 3: Cross multiply
    171,499.66x = 256,025.98 × 160,102.71
  4. Step 4: Simplify right side
    171,499.66x = 40,990,451,787.83
  5. Step 5: Solve for x
    x = 40,990,451,787.83/171,499.66
  6. Step 6: Final answer
    x = 239,011.86

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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.