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Finding the Fourth Proportional to 237,393.38, 355,975.86 and 79,511.42

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Solution

The fourth proportional to 237,393.38, 355,975.86 and 79,511.42 is: 119,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,393.38 : 355,975.86 = 79,511.42 : x
  2. Step 2: Convert to fraction form
    237,393.38/355,975.86 = 79,511.42/x
  3. Step 3: Cross multiply
    237,393.38x = 355,975.86 × 79,511.42
  4. Step 4: Simplify right side
    237,393.38x = 28,304,146,114.32
  5. Step 5: Solve for x
    x = 28,304,146,114.32/237,393.38
  6. Step 6: Final answer
    x = 119,228.88

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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.