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Finding the Fourth Proportional to 234,360.62, 323,417.54 and 126,930.65

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Solution

The fourth proportional to 234,360.62, 323,417.54 and 126,930.65 is: 175,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,360.62 : 323,417.54 = 126,930.65 : x
  2. Step 2: Convert to fraction form
    234,360.62/323,417.54 = 126,930.65/x
  3. Step 3: Cross multiply
    234,360.62x = 323,417.54 × 126,930.65
  4. Step 4: Simplify right side
    234,360.62x = 41,051,596,321.86
  5. Step 5: Solve for x
    x = 41,051,596,321.86/234,360.62
  6. Step 6: Final answer
    x = 175,164.23

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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.