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Finding the Fourth Proportional to 339,452.17, 509,240.52 and 111,760.76

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Solution

The fourth proportional to 339,452.17, 509,240.52 and 111,760.76 is: 167,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,452.17 : 509,240.52 = 111,760.76 : x
  2. Step 2: Convert to fraction form
    339,452.17/509,240.52 = 111,760.76/x
  3. Step 3: Cross multiply
    339,452.17x = 509,240.52 × 111,760.76
  4. Step 4: Simplify right side
    339,452.17x = 56,913,108,811.10
  5. Step 5: Solve for x
    x = 56,913,108,811.10/339,452.17
  6. Step 6: Final answer
    x = 167,661.65

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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.