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Finding the Fourth Proportional to 151,992.84, 227,989.37 and 39,672.78

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Solution

The fourth proportional to 151,992.84, 227,989.37 and 39,672.78 is: 59,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,992.84 : 227,989.37 = 39,672.78 : x
  2. Step 2: Convert to fraction form
    151,992.84/227,989.37 = 39,672.78/x
  3. Step 3: Cross multiply
    151,992.84x = 227,989.37 × 39,672.78
  4. Step 4: Simplify right side
    151,992.84x = 9,044,972,118.35
  5. Step 5: Solve for x
    x = 9,044,972,118.35/151,992.84
  6. Step 6: Final answer
    x = 59,509.20

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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.