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Finding the Fourth Proportional to 223,620.31, 335,433.18 and 123,975.10

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Solution

The fourth proportional to 223,620.31, 335,433.18 and 123,975.10 is: 185,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,620.31 : 335,433.18 = 123,975.10 : x
  2. Step 2: Convert to fraction form
    223,620.31/335,433.18 = 123,975.10/x
  3. Step 3: Cross multiply
    223,620.31x = 335,433.18 × 123,975.10
  4. Step 4: Simplify right side
    223,620.31x = 41,585,360,356.65
  5. Step 5: Solve for x
    x = 41,585,360,356.65/223,620.31
  6. Step 6: Final answer
    x = 185,964.15

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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.