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Finding the Fourth Proportional to 202,153.90, 303,267.30 and 83,837.20

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Solution

The fourth proportional to 202,153.90, 303,267.30 and 83,837.20 is: 125,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,153.90 : 303,267.30 = 83,837.20 : x
  2. Step 2: Convert to fraction form
    202,153.90/303,267.30 = 83,837.20/x
  3. Step 3: Cross multiply
    202,153.90x = 303,267.30 × 83,837.20
  4. Step 4: Simplify right side
    202,153.90x = 25,425,081,283.56
  5. Step 5: Solve for x
    x = 25,425,081,283.56/202,153.90
  6. Step 6: Final answer
    x = 125,770.92

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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.