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Finding the Fourth Proportional to 202,938.51, 304,358.56 and 84,545.27

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Solution

The fourth proportional to 202,938.51, 304,358.56 and 84,545.27 is: 126,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,938.51 : 304,358.56 = 84,545.27 : x
  2. Step 2: Convert to fraction form
    202,938.51/304,358.56 = 84,545.27/x
  3. Step 3: Cross multiply
    202,938.51x = 304,358.56 × 84,545.27
  4. Step 4: Simplify right side
    202,938.51x = 25,732,074,687.49
  5. Step 5: Solve for x
    x = 25,732,074,687.49/202,938.51
  6. Step 6: Final answer
    x = 126,797.40

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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.