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Finding the Fourth Proportional to 234,722.16, 352,132.26 and 76,938.21

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Solution

The fourth proportional to 234,722.16, 352,132.26 and 76,938.21 is: 115,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,722.16 : 352,132.26 = 76,938.21 : x
  2. Step 2: Convert to fraction form
    234,722.16/352,132.26 = 76,938.21/x
  3. Step 3: Cross multiply
    234,722.16x = 352,132.26 × 76,938.21
  4. Step 4: Simplify right side
    234,722.16x = 27,092,425,767.65
  5. Step 5: Solve for x
    x = 27,092,425,767.65/234,722.16
  6. Step 6: Final answer
    x = 115,423.38

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1.5x scale

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.