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Finding the Fourth Proportional to 333,722.20, 500,583.30 and 134,138.20

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Solution

The fourth proportional to 333,722.20, 500,583.30 and 134,138.20 is: 201,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,722.20 : 500,583.30 = 134,138.20 : x
  2. Step 2: Convert to fraction form
    333,722.20/500,583.30 = 134,138.20/x
  3. Step 3: Cross multiply
    333,722.20x = 500,583.30 × 134,138.20
  4. Step 4: Simplify right side
    333,722.20x = 67,147,342,812.06
  5. Step 5: Solve for x
    x = 67,147,342,812.06/333,722.20
  6. Step 6: Final answer
    x = 201,207.30

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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.