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Finding the Fourth Proportional to 181,307.20, 271,695.20 and 162,587.20

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Solution

The fourth proportional to 181,307.20, 271,695.20 and 162,587.20 is: 243,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,307.20 : 271,695.20 = 162,587.20 : x
  2. Step 2: Convert to fraction form
    181,307.20/271,695.20 = 162,587.20/x
  3. Step 3: Cross multiply
    181,307.20x = 271,695.20 × 162,587.20
  4. Step 4: Simplify right side
    181,307.20x = 44,174,161,821.44
  5. Step 5: Solve for x
    x = 44,174,161,821.44/181,307.20
  6. Step 6: Final answer
    x = 243,642.62

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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.