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Finding the Fourth Proportional to 203,084.40, 304,626.60 and 53,314.80

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Solution

The fourth proportional to 203,084.40, 304,626.60 and 53,314.80 is: 79,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,084.40 : 304,626.60 = 53,314.80 : x
  2. Step 2: Convert to fraction form
    203,084.40/304,626.60 = 53,314.80/x
  3. Step 3: Cross multiply
    203,084.40x = 304,626.60 × 53,314.80
  4. Step 4: Simplify right side
    203,084.40x = 16,241,106,253.68
  5. Step 5: Solve for x
    x = 16,241,106,253.68/203,084.40
  6. Step 6: Final answer
    x = 79,972.20

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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.