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Finding the Fourth Proportional to 234,647.27, 352,036.51 and 76,986.44

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Solution

The fourth proportional to 234,647.27, 352,036.51 and 76,986.44 is: 115,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,647.27 : 352,036.51 = 76,986.44 : x
  2. Step 2: Convert to fraction form
    234,647.27/352,036.51 = 76,986.44/x
  3. Step 3: Cross multiply
    234,647.27x = 352,036.51 × 76,986.44
  4. Step 4: Simplify right side
    234,647.27x = 27,102,035,702.28
  5. Step 5: Solve for x
    x = 27,102,035,702.28/234,647.27
  6. Step 6: Final answer
    x = 115,501.18

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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.