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Finding the Fourth Proportional to 251,585.91, 377,553.83 and 162,618.75

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Solution

The fourth proportional to 251,585.91, 377,553.83 and 162,618.75 is: 244,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,585.91 : 377,553.83 = 162,618.75 : x
  2. Step 2: Convert to fraction form
    251,585.91/377,553.83 = 162,618.75/x
  3. Step 3: Cross multiply
    251,585.91x = 377,553.83 × 162,618.75
  4. Step 4: Simplify right side
    251,585.91x = 61,397,331,079.22
  5. Step 5: Solve for x
    x = 61,397,331,079.22/251,585.91
  6. Step 6: Final answer
    x = 244,041.21

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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.