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Finding the Fourth Proportional to 193,479.65, 267,102.12 and 150,362.81

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Solution

The fourth proportional to 193,479.65, 267,102.12 and 150,362.81 is: 207,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,479.65 : 267,102.12 = 150,362.81 : x
  2. Step 2: Convert to fraction form
    193,479.65/267,102.12 = 150,362.81/x
  3. Step 3: Cross multiply
    193,479.65x = 267,102.12 × 150,362.81
  4. Step 4: Simplify right side
    193,479.65x = 40,162,223,984.65
  5. Step 5: Solve for x
    x = 40,162,223,984.65/193,479.65
  6. Step 6: Final answer
    x = 207,578.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.