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Finding the Fourth Proportional to 234,065.25, 351,150.57 and 74,150.82

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Solution

The fourth proportional to 234,065.25, 351,150.57 and 74,150.82 is: 111,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,065.25 : 351,150.57 = 74,150.82 : x
  2. Step 2: Convert to fraction form
    234,065.25/351,150.57 = 74,150.82/x
  3. Step 3: Cross multiply
    234,065.25x = 351,150.57 × 74,150.82
  4. Step 4: Simplify right side
    234,065.25x = 26,038,102,708.97
  5. Step 5: Solve for x
    x = 26,038,102,708.97/234,065.25
  6. Step 6: Final answer
    x = 111,242.92

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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.