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Finding the Fourth Proportional to 231,272.52, 346,948.34 and 79,462.32

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Solution

The fourth proportional to 231,272.52, 346,948.34 and 79,462.32 is: 119,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,272.52 : 346,948.34 = 79,462.32 : x
  2. Step 2: Convert to fraction form
    231,272.52/346,948.34 = 79,462.32/x
  3. Step 3: Cross multiply
    231,272.52x = 346,948.34 × 79,462.32
  4. Step 4: Simplify right side
    231,272.52x = 27,569,319,619.24
  5. Step 5: Solve for x
    x = 27,569,319,619.24/231,272.52
  6. Step 6: Final answer
    x = 119,207.07

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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.