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Finding the Fourth Proportional to 270,571.65, 373,389.31 and 149,718.03

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Solution

The fourth proportional to 270,571.65, 373,389.31 and 149,718.03 is: 206,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,571.65 : 373,389.31 = 149,718.03 : x
  2. Step 2: Convert to fraction form
    270,571.65/373,389.31 = 149,718.03/x
  3. Step 3: Cross multiply
    270,571.65x = 373,389.31 × 149,718.03
  4. Step 4: Simplify right side
    270,571.65x = 55,903,111,916.26
  5. Step 5: Solve for x
    x = 55,903,111,916.26/270,571.65
  6. Step 6: Final answer
    x = 206,611.12

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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.