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Finding the Fourth Proportional to 195,376.88, 293,071.41 and 67,291.79

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Solution

The fourth proportional to 195,376.88, 293,071.41 and 67,291.79 is: 100,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,376.88 : 293,071.41 = 67,291.79 : x
  2. Step 2: Convert to fraction form
    195,376.88/293,071.41 = 67,291.79/x
  3. Step 3: Cross multiply
    195,376.88x = 293,071.41 × 67,291.79
  4. Step 4: Simplify right side
    195,376.88x = 19,721,298,311.37
  5. Step 5: Solve for x
    x = 19,721,298,311.37/195,376.88
  6. Step 6: Final answer
    x = 100,939.77

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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.