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Finding the Fourth Proportional to 217,717.58, 300,483.06 and 132,883.94

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Solution

The fourth proportional to 217,717.58, 300,483.06 and 132,883.94 is: 183,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,717.58 : 300,483.06 = 132,883.94 : x
  2. Step 2: Convert to fraction form
    217,717.58/300,483.06 = 132,883.94/x
  3. Step 3: Cross multiply
    217,717.58x = 300,483.06 × 132,883.94
  4. Step 4: Simplify right side
    217,717.58x = 39,929,372,916.06
  5. Step 5: Solve for x
    x = 39,929,372,916.06/217,717.58
  6. Step 6: Final answer
    x = 183,399.86

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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.