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Finding the Fourth Proportional to 181,038.92, 271,582.23 and 67,171.23

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Solution

The fourth proportional to 181,038.92, 271,582.23 and 67,171.23 is: 100,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,038.92 : 271,582.23 = 67,171.23 : x
  2. Step 2: Convert to fraction form
    181,038.92/271,582.23 = 67,171.23/x
  3. Step 3: Cross multiply
    181,038.92x = 271,582.23 × 67,171.23
  4. Step 4: Simplify right side
    181,038.92x = 18,242,512,435.24
  5. Step 5: Solve for x
    x = 18,242,512,435.24/181,038.92
  6. Step 6: Final answer
    x = 100,765.70

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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.