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Finding the Fourth Proportional to 202,914.80, 304,372.20 and 62,687.60

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Solution

The fourth proportional to 202,914.80, 304,372.20 and 62,687.60 is: 94,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,914.80 : 304,372.20 = 62,687.60 : x
  2. Step 2: Convert to fraction form
    202,914.80/304,372.20 = 62,687.60/x
  3. Step 3: Cross multiply
    202,914.80x = 304,372.20 × 62,687.60
  4. Step 4: Simplify right side
    202,914.80x = 19,080,362,724.72
  5. Step 5: Solve for x
    x = 19,080,362,724.72/202,914.80
  6. Step 6: Final answer
    x = 94,031.40

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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.