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Finding the Fourth Proportional to 367,209.78, 550,870.17 and 130,496.19

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Solution

The fourth proportional to 367,209.78, 550,870.17 and 130,496.19 is: 195,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,209.78 : 550,870.17 = 130,496.19 : x
  2. Step 2: Convert to fraction form
    367,209.78/550,870.17 = 130,496.19/x
  3. Step 3: Cross multiply
    367,209.78x = 550,870.17 × 130,496.19
  4. Step 4: Simplify right side
    367,209.78x = 71,886,458,369.65
  5. Step 5: Solve for x
    x = 71,886,458,369.65/367,209.78
  6. Step 6: Final answer
    x = 195,764.01

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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.