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Finding the Fourth Proportional to 161,382.38, 242,073.56 and 50,574.38

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Solution

The fourth proportional to 161,382.38, 242,073.56 and 50,574.38 is: 75,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,382.38 : 242,073.56 = 50,574.38 : x
  2. Step 2: Convert to fraction form
    161,382.38/242,073.56 = 50,574.38/x
  3. Step 3: Cross multiply
    161,382.38x = 242,073.56 × 50,574.38
  4. Step 4: Simplify right side
    161,382.38x = 12,242,719,127.46
  5. Step 5: Solve for x
    x = 12,242,719,127.46/161,382.38
  6. Step 6: Final answer
    x = 75,861.56

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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.