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Finding the Fourth Proportional to 181,551.80, 272,097.30 and 161,737.40

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Solution

The fourth proportional to 181,551.80, 272,097.30 and 161,737.40 is: 242,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,551.80 : 272,097.30 = 161,737.40 : x
  2. Step 2: Convert to fraction form
    181,551.80/272,097.30 = 161,737.40/x
  3. Step 3: Cross multiply
    181,551.80x = 272,097.30 × 161,737.40
  4. Step 4: Simplify right side
    181,551.80x = 44,008,309,849.02
  5. Step 5: Solve for x
    x = 44,008,309,849.02/181,551.80
  6. Step 6: Final answer
    x = 242,400.85

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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.