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Finding the Fourth Proportional to 234,251.62, 351,152.96 and 99,129.82

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Solution

The fourth proportional to 234,251.62, 351,152.96 and 99,129.82 is: 148,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,251.62 : 351,152.96 = 99,129.82 : x
  2. Step 2: Convert to fraction form
    234,251.62/351,152.96 = 99,129.82/x
  3. Step 3: Cross multiply
    234,251.62x = 351,152.96 × 99,129.82
  4. Step 4: Simplify right side
    234,251.62x = 34,809,729,717.27
  5. Step 5: Solve for x
    x = 34,809,729,717.27/234,251.62
  6. Step 6: Final answer
    x = 148,599.74

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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.