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Finding the Fourth Proportional to 365,081.31, 547,818.02 and 151,996.31

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Solution

The fourth proportional to 365,081.31, 547,818.02 and 151,996.31 is: 228,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,081.31 : 547,818.02 = 151,996.31 : x
  2. Step 2: Convert to fraction form
    365,081.31/547,818.02 = 151,996.31/x
  3. Step 3: Cross multiply
    365,081.31x = 547,818.02 × 151,996.31
  4. Step 4: Simplify right side
    365,081.31x = 83,266,314,092.43
  5. Step 5: Solve for x
    x = 83,266,314,092.43/365,081.31
  6. Step 6: Final answer
    x = 228,076.08

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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.