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Finding the Fourth Proportional to 203,328.20, 304,700.70 and 149,600.90

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Solution

The fourth proportional to 203,328.20, 304,700.70 and 149,600.90 is: 224,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,328.20 : 304,700.70 = 149,600.90 : x
  2. Step 2: Convert to fraction form
    203,328.20/304,700.70 = 149,600.90/x
  3. Step 3: Cross multiply
    203,328.20x = 304,700.70 × 149,600.90
  4. Step 4: Simplify right side
    203,328.20x = 45,583,498,950.63
  5. Step 5: Solve for x
    x = 45,583,498,950.63/203,328.20
  6. Step 6: Final answer
    x = 224,186.80

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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.