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Finding the Fourth Proportional to 203,050.80, 304,624.80 and 103,226.40

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Solution

The fourth proportional to 203,050.80, 304,624.80 and 103,226.40 is: 154,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,050.80 : 304,624.80 = 103,226.40 : x
  2. Step 2: Convert to fraction form
    203,050.80/304,624.80 = 103,226.40/x
  3. Step 3: Cross multiply
    203,050.80x = 304,624.80 × 103,226.40
  4. Step 4: Simplify right side
    203,050.80x = 31,445,321,454.72
  5. Step 5: Solve for x
    x = 31,445,321,454.72/203,050.80
  6. Step 6: Final answer
    x = 154,864.31

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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.