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Finding the Fourth Proportional to 238,996.53, 358,493.19 and 96,839.71

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Solution

The fourth proportional to 238,996.53, 358,493.19 and 96,839.71 is: 145,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,996.53 : 358,493.19 = 96,839.71 : x
  2. Step 2: Convert to fraction form
    238,996.53/358,493.19 = 96,839.71/x
  3. Step 3: Cross multiply
    238,996.53x = 358,493.19 × 96,839.71
  4. Step 4: Simplify right side
    238,996.53x = 34,716,376,556.57
  5. Step 5: Solve for x
    x = 34,716,376,556.57/238,996.53
  6. Step 6: Final answer
    x = 145,258.91

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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.