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Finding the Fourth Proportional to 231,958.53, 319,882.37 and 151,360.29

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Solution

The fourth proportional to 231,958.53, 319,882.37 and 151,360.29 is: 208,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,958.53 : 319,882.37 = 151,360.29 : x
  2. Step 2: Convert to fraction form
    231,958.53/319,882.37 = 151,360.29/x
  3. Step 3: Cross multiply
    231,958.53x = 319,882.37 × 151,360.29
  4. Step 4: Simplify right side
    231,958.53x = 48,417,487,532.29
  5. Step 5: Solve for x
    x = 48,417,487,532.29/231,958.53
  6. Step 6: Final answer
    x = 208,733.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.