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Finding the Fourth Proportional to 203,051.30, 304,625.55 and 103,226.90

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Solution

The fourth proportional to 203,051.30, 304,625.55 and 103,226.90 is: 154,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,051.30 : 304,625.55 = 103,226.90 : x
  2. Step 2: Convert to fraction form
    203,051.30/304,625.55 = 103,226.90/x
  3. Step 3: Cross multiply
    203,051.30x = 304,625.55 × 103,226.90
  4. Step 4: Simplify right side
    203,051.30x = 31,445,551,187.30
  5. Step 5: Solve for x
    x = 31,445,551,187.30/203,051.30
  6. Step 6: Final answer
    x = 154,865.06

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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.