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Finding the Fourth Proportional to 153,212.96, 211,418.70 and 95,841.20

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Solution

The fourth proportional to 153,212.96, 211,418.70 and 95,841.20 is: 132,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,212.96 : 211,418.70 = 95,841.20 : x
  2. Step 2: Convert to fraction form
    153,212.96/211,418.70 = 95,841.20/x
  3. Step 3: Cross multiply
    153,212.96x = 211,418.70 × 95,841.20
  4. Step 4: Simplify right side
    153,212.96x = 20,262,621,910.44
  5. Step 5: Solve for x
    x = 20,262,621,910.44/153,212.96
  6. Step 6: Final answer
    x = 132,251.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.