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Finding the Fourth Proportional to 202,871.20, 304,306.80 and 62,611.60

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Solution

The fourth proportional to 202,871.20, 304,306.80 and 62,611.60 is: 93,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,871.20 : 304,306.80 = 62,611.60 : x
  2. Step 2: Convert to fraction form
    202,871.20/304,306.80 = 62,611.60/x
  3. Step 3: Cross multiply
    202,871.20x = 304,306.80 × 62,611.60
  4. Step 4: Simplify right side
    202,871.20x = 19,053,135,638.88
  5. Step 5: Solve for x
    x = 19,053,135,638.88/202,871.20
  6. Step 6: Final answer
    x = 93,917.40

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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.