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Finding the Fourth Proportional to 237,816.54, 356,726.70 and 80,042.70

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Solution

The fourth proportional to 237,816.54, 356,726.70 and 80,042.70 is: 120,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,816.54 : 356,726.70 = 80,042.70 : x
  2. Step 2: Convert to fraction form
    237,816.54/356,726.70 = 80,042.70/x
  3. Step 3: Cross multiply
    237,816.54x = 356,726.70 × 80,042.70
  4. Step 4: Simplify right side
    237,816.54x = 28,553,368,230.09
  5. Step 5: Solve for x
    x = 28,553,368,230.09/237,816.54
  6. Step 6: Final answer
    x = 120,064.69

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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.