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Finding the Fourth Proportional to 234,647.52, 352,036.88 and 76,986.69

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Solution

The fourth proportional to 234,647.52, 352,036.88 and 76,986.69 is: 115,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,647.52 : 352,036.88 = 76,986.69 : x
  2. Step 2: Convert to fraction form
    234,647.52/352,036.88 = 76,986.69/x
  3. Step 3: Cross multiply
    234,647.52x = 352,036.88 × 76,986.69
  4. Step 4: Simplify right side
    234,647.52x = 27,102,154,149.13
  5. Step 5: Solve for x
    x = 27,102,154,149.13/234,647.52
  6. Step 6: Final answer
    x = 115,501.56

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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.