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Finding the Fourth Proportional to 234,329.48, 351,421.50 and 84,550.32

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Solution

The fourth proportional to 234,329.48, 351,421.50 and 84,550.32 is: 126,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,329.48 : 351,421.50 = 84,550.32 : x
  2. Step 2: Convert to fraction form
    234,329.48/351,421.50 = 84,550.32/x
  3. Step 3: Cross multiply
    234,329.48x = 351,421.50 × 84,550.32
  4. Step 4: Simplify right side
    234,329.48x = 29,712,800,279.88
  5. Step 5: Solve for x
    x = 29,712,800,279.88/234,329.48
  6. Step 6: Final answer
    x = 126,799.24

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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.