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Finding the Fourth Proportional to 202,962.28, 304,474.56 and 147,223.25

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Solution

The fourth proportional to 202,962.28, 304,474.56 and 147,223.25 is: 220,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,962.28 : 304,474.56 = 147,223.25 : x
  2. Step 2: Convert to fraction form
    202,962.28/304,474.56 = 147,223.25/x
  3. Step 3: Cross multiply
    202,962.28x = 304,474.56 × 147,223.25
  4. Step 4: Simplify right side
    202,962.28x = 44,825,734,474.62
  5. Step 5: Solve for x
    x = 44,825,734,474.62/202,962.28
  6. Step 6: Final answer
    x = 220,857.47

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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.