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Finding the Fourth Proportional to 339,757.52, 509,624.76 and 118,135.76

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Solution

The fourth proportional to 339,757.52, 509,624.76 and 118,135.76 is: 177,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,757.52 : 509,624.76 = 118,135.76 : x
  2. Step 2: Convert to fraction form
    339,757.52/509,624.76 = 118,135.76/x
  3. Step 3: Cross multiply
    339,757.52x = 509,624.76 × 118,135.76
  4. Step 4: Simplify right side
    339,757.52x = 60,204,908,337.42
  5. Step 5: Solve for x
    x = 60,204,908,337.42/339,757.52
  6. Step 6: Final answer
    x = 177,199.63

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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.