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Finding the Fourth Proportional to 234,739.25, 352,145.52 and 74,851.02

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Solution

The fourth proportional to 234,739.25, 352,145.52 and 74,851.02 is: 112,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,739.25 : 352,145.52 = 74,851.02 : x
  2. Step 2: Convert to fraction form
    234,739.25/352,145.52 = 74,851.02/x
  3. Step 3: Cross multiply
    234,739.25x = 352,145.52 × 74,851.02
  4. Step 4: Simplify right side
    234,739.25x = 26,358,451,360.43
  5. Step 5: Solve for x
    x = 26,358,451,360.43/234,739.25
  6. Step 6: Final answer
    x = 112,288.21

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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.