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Finding the Fourth Proportional to 234,260.69, 323,279.29 and 126,830.71

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Solution

The fourth proportional to 234,260.69, 323,279.29 and 126,830.71 is: 175,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,260.69 : 323,279.29 = 126,830.71 : x
  2. Step 2: Convert to fraction form
    234,260.69/323,279.29 = 126,830.71/x
  3. Step 3: Cross multiply
    234,260.69x = 323,279.29 × 126,830.71
  4. Step 4: Simplify right side
    234,260.69x = 41,001,741,879.00
  5. Step 5: Solve for x
    x = 41,001,741,879.00/234,260.69
  6. Step 6: Final answer
    x = 175,026.13

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1.5x scale

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.