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Finding the Fourth Proportional to 181,272.20, 271,642.70 and 162,552.20

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Solution

The fourth proportional to 181,272.20, 271,642.70 and 162,552.20 is: 243,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,272.20 : 271,642.70 = 162,552.20 : x
  2. Step 2: Convert to fraction form
    181,272.20/271,642.70 = 162,552.20/x
  3. Step 3: Cross multiply
    181,272.20x = 271,642.70 × 162,552.20
  4. Step 4: Simplify right side
    181,272.20x = 44,156,118,498.94
  5. Step 5: Solve for x
    x = 44,156,118,498.94/181,272.20
  6. Step 6: Final answer
    x = 243,590.13

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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.