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Finding the Fourth Proportional to 181,499.80, 271,731.30 and 162,837.40

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Solution

The fourth proportional to 181,499.80, 271,731.30 and 162,837.40 is: 243,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,499.80 : 271,731.30 = 162,837.40 : x
  2. Step 2: Convert to fraction form
    181,499.80/271,731.30 = 162,837.40/x
  3. Step 3: Cross multiply
    181,499.80x = 271,731.30 × 162,837.40
  4. Step 4: Simplify right side
    181,499.80x = 44,248,018,390.62
  5. Step 5: Solve for x
    x = 44,248,018,390.62/181,499.80
  6. Step 6: Final answer
    x = 243,791.00

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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.