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Finding the Fourth Proportional to 201,039.02, 277,243.68 and 132,006.72

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Solution

The fourth proportional to 201,039.02, 277,243.68 and 132,006.72 is: 182,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,039.02 : 277,243.68 = 132,006.72 : x
  2. Step 2: Convert to fraction form
    201,039.02/277,243.68 = 132,006.72/x
  3. Step 3: Cross multiply
    201,039.02x = 277,243.68 × 132,006.72
  4. Step 4: Simplify right side
    201,039.02x = 36,598,028,837.53
  5. Step 5: Solve for x
    x = 36,598,028,837.53/201,039.02
  6. Step 6: Final answer
    x = 182,044.41

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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.