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Finding the Fourth Proportional to 233,642.71, 350,493.21 and 91,469.62

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Solution

The fourth proportional to 233,642.71, 350,493.21 and 91,469.62 is: 137,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,642.71 : 350,493.21 = 91,469.62 : x
  2. Step 2: Convert to fraction form
    233,642.71/350,493.21 = 91,469.62/x
  3. Step 3: Cross multiply
    233,642.71x = 350,493.21 × 91,469.62
  4. Step 4: Simplify right side
    233,642.71x = 32,059,480,731.28
  5. Step 5: Solve for x
    x = 32,059,480,731.28/233,642.71
  6. Step 6: Final answer
    x = 137,215.84

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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.