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Finding the Fourth Proportional to 238,986.67, 358,396.47 and 70,462.27

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Solution

The fourth proportional to 238,986.67, 358,396.47 and 70,462.27 is: 105,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,986.67 : 358,396.47 = 70,462.27 : x
  2. Step 2: Convert to fraction form
    238,986.67/358,396.47 = 70,462.27/x
  3. Step 3: Cross multiply
    238,986.67x = 358,396.47 × 70,462.27
  4. Step 4: Simplify right side
    238,986.67x = 25,253,428,836.19
  5. Step 5: Solve for x
    x = 25,253,428,836.19/238,986.67
  6. Step 6: Final answer
    x = 105,668.78

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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.