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Finding the Fourth Proportional to 181,267.20, 271,635.20 and 162,547.20

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Solution

The fourth proportional to 181,267.20, 271,635.20 and 162,547.20 is: 243,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,267.20 : 271,635.20 = 162,547.20 : x
  2. Step 2: Convert to fraction form
    181,267.20/271,635.20 = 162,547.20/x
  3. Step 3: Cross multiply
    181,267.20x = 271,635.20 × 162,547.20
  4. Step 4: Simplify right side
    181,267.20x = 44,153,541,181.44
  5. Step 5: Solve for x
    x = 44,153,541,181.44/181,267.20
  6. Step 6: Final answer
    x = 243,582.63

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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.