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Finding the Fourth Proportional to 238,732.56, 358,098.93 and 61,239.60

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Solution

The fourth proportional to 238,732.56, 358,098.93 and 61,239.60 is: 91,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,732.56 : 358,098.93 = 61,239.60 : x
  2. Step 2: Convert to fraction form
    238,732.56/358,098.93 = 61,239.60/x
  3. Step 3: Cross multiply
    238,732.56x = 358,098.93 × 61,239.60
  4. Step 4: Simplify right side
    238,732.56x = 21,929,835,233.63
  5. Step 5: Solve for x
    x = 21,929,835,233.63/238,732.56
  6. Step 6: Final answer
    x = 91,859.42

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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.