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Finding the Fourth Proportional to 203,032.80, 304,549.20 and 150,544.80

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Solution

The fourth proportional to 203,032.80, 304,549.20 and 150,544.80 is: 225,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,032.80 : 304,549.20 = 150,544.80 : x
  2. Step 2: Convert to fraction form
    203,032.80/304,549.20 = 150,544.80/x
  3. Step 3: Cross multiply
    203,032.80x = 304,549.20 × 150,544.80
  4. Step 4: Simplify right side
    203,032.80x = 45,848,298,404.16
  5. Step 5: Solve for x
    x = 45,848,298,404.16/203,032.80
  6. Step 6: Final answer
    x = 225,817.20

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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.