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Finding the Fourth Proportional to 234,812.05, 352,269.10 and 77,034.58

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Solution

The fourth proportional to 234,812.05, 352,269.10 and 77,034.58 is: 115,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,812.05 : 352,269.10 = 77,034.58 : x
  2. Step 2: Convert to fraction form
    234,812.05/352,269.10 = 77,034.58/x
  3. Step 3: Cross multiply
    234,812.05x = 352,269.10 × 77,034.58
  4. Step 4: Simplify right side
    234,812.05x = 27,136,901,381.10
  5. Step 5: Solve for x
    x = 27,136,901,381.10/234,812.05
  6. Step 6: Final answer
    x = 115,568.61

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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.