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Finding the Fourth Proportional to 237,398.40, 356,040 and 79,585.92

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Solution

The fourth proportional to 237,398.40, 356,040 and 79,585.92 is: 119,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,398.40 : 356,040 = 79,585.92 : x
  2. Step 2: Convert to fraction form
    237,398.40/356,040 = 79,585.92/x
  3. Step 3: Cross multiply
    237,398.40x = 356,040 × 79,585.92
  4. Step 4: Simplify right side
    237,398.40x = 28,335,770,956.80
  5. Step 5: Solve for x
    x = 28,335,770,956.80/237,398.40
  6. Step 6: Final answer
    x = 119,359.57

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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.