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Finding the Fourth Proportional to 203,045.20, 304,567.80 and 92,237.20

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Solution

The fourth proportional to 203,045.20, 304,567.80 and 92,237.20 is: 138,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,045.20 : 304,567.80 = 92,237.20 : x
  2. Step 2: Convert to fraction form
    203,045.20/304,567.80 = 92,237.20/x
  3. Step 3: Cross multiply
    203,045.20x = 304,567.80 × 92,237.20
  4. Step 4: Simplify right side
    203,045.20x = 28,092,481,082.16
  5. Step 5: Solve for x
    x = 28,092,481,082.16/203,045.20
  6. Step 6: Final answer
    x = 138,355.80

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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.