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Finding the Fourth Proportional to 234,191.52, 351,343.17 and 76,420.26

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Solution

The fourth proportional to 234,191.52, 351,343.17 and 76,420.26 is: 114,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,191.52 : 351,343.17 = 76,420.26 : x
  2. Step 2: Convert to fraction form
    234,191.52/351,343.17 = 76,420.26/x
  3. Step 3: Cross multiply
    234,191.52x = 351,343.17 × 76,420.26
  4. Step 4: Simplify right side
    234,191.52x = 26,849,736,400.62
  5. Step 5: Solve for x
    x = 26,849,736,400.62/234,191.52
  6. Step 6: Final answer
    x = 114,648.63

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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.