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Finding the Fourth Proportional to 202,862.71, 304,321.75 and 84,506.37

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Solution

The fourth proportional to 202,862.71, 304,321.75 and 84,506.37 is: 126,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,862.71 : 304,321.75 = 84,506.37 : x
  2. Step 2: Convert to fraction form
    202,862.71/304,321.75 = 84,506.37/x
  3. Step 3: Cross multiply
    202,862.71x = 304,321.75 × 84,506.37
  4. Step 4: Simplify right side
    202,862.71x = 25,717,126,404.55
  5. Step 5: Solve for x
    x = 25,717,126,404.55/202,862.71
  6. Step 6: Final answer
    x = 126,771.09

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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.