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Finding the Fourth Proportional to 171,119.67, 255,138.27 and 156,892.64

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Solution

The fourth proportional to 171,119.67, 255,138.27 and 156,892.64 is: 233,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,119.67 : 255,138.27 = 156,892.64 : x
  2. Step 2: Convert to fraction form
    171,119.67/255,138.27 = 156,892.64/x
  3. Step 3: Cross multiply
    171,119.67x = 255,138.27 × 156,892.64
  4. Step 4: Simplify right side
    171,119.67x = 40,029,315,469.64
  5. Step 5: Solve for x
    x = 40,029,315,469.64/171,119.67
  6. Step 6: Final answer
    x = 233,925.86

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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.