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Finding the Fourth Proportional to 230,841.12, 346,306.56 and 88,676

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Solution

The fourth proportional to 230,841.12, 346,306.56 and 88,676 is: 133,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,841.12 : 346,306.56 = 88,676 : x
  2. Step 2: Convert to fraction form
    230,841.12/346,306.56 = 88,676/x
  3. Step 3: Cross multiply
    230,841.12x = 346,306.56 × 88,676
  4. Step 4: Simplify right side
    230,841.12x = 30,709,080,514.56
  5. Step 5: Solve for x
    x = 30,709,080,514.56/230,841.12
  6. Step 6: Final answer
    x = 133,031.24

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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.