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Finding the Fourth Proportional to 202,940.50, 304,361.56 and 84,547.26

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Solution

The fourth proportional to 202,940.50, 304,361.56 and 84,547.26 is: 126,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,940.50 : 304,361.56 = 84,547.26 : x
  2. Step 2: Convert to fraction form
    202,940.50/304,361.56 = 84,547.26/x
  3. Step 3: Cross multiply
    202,940.50x = 304,361.56 × 84,547.26
  4. Step 4: Simplify right side
    202,940.50x = 25,732,935,947.33
  5. Step 5: Solve for x
    x = 25,732,935,947.33/202,940.50
  6. Step 6: Final answer
    x = 126,800.40

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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.