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Finding the Fourth Proportional to 238,687.34, 358,004.25 and 61,198.52

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Solution

The fourth proportional to 238,687.34, 358,004.25 and 61,198.52 is: 91,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687.34 : 358,004.25 = 61,198.52 : x
  2. Step 2: Convert to fraction form
    238,687.34/358,004.25 = 61,198.52/x
  3. Step 3: Cross multiply
    238,687.34x = 358,004.25 × 61,198.52
  4. Step 4: Simplify right side
    238,687.34x = 21,909,328,463.69
  5. Step 5: Solve for x
    x = 21,909,328,463.69/238,687.34
  6. Step 6: Final answer
    x = 91,790.91

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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.