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Finding the Fourth Proportional to 343,992.57, 516,050.85 and 141,552.92

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Solution

The fourth proportional to 343,992.57, 516,050.85 and 141,552.92 is: 212,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,992.57 : 516,050.85 = 141,552.92 : x
  2. Step 2: Convert to fraction form
    343,992.57/516,050.85 = 141,552.92/x
  3. Step 3: Cross multiply
    343,992.57x = 516,050.85 × 141,552.92
  4. Step 4: Simplify right side
    343,992.57x = 73,048,502,105.73
  5. Step 5: Solve for x
    x = 73,048,502,105.73/343,992.57
  6. Step 6: Final answer
    x = 212,354.88

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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.