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Finding the Fourth Proportional to 203,195.20, 304,501.20 and 149,467.90

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Solution

The fourth proportional to 203,195.20, 304,501.20 and 149,467.90 is: 223,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,195.20 : 304,501.20 = 149,467.90 : x
  2. Step 2: Convert to fraction form
    203,195.20/304,501.20 = 149,467.90/x
  3. Step 3: Cross multiply
    203,195.20x = 304,501.20 × 149,467.90
  4. Step 4: Simplify right side
    203,195.20x = 45,513,154,911.48
  5. Step 5: Solve for x
    x = 45,513,154,911.48/203,195.20
  6. Step 6: Final answer
    x = 223,987.35

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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.