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Finding the Fourth Proportional to 270,726.57, 373,598.15 and 149,865.30

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Solution

The fourth proportional to 270,726.57, 373,598.15 and 149,865.30 is: 206,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,726.57 : 373,598.15 = 149,865.30 : x
  2. Step 2: Convert to fraction form
    270,726.57/373,598.15 = 149,865.30/x
  3. Step 3: Cross multiply
    270,726.57x = 373,598.15 × 149,865.30
  4. Step 4: Simplify right side
    270,726.57x = 55,989,398,079.87
  5. Step 5: Solve for x
    x = 55,989,398,079.87/270,726.57
  6. Step 6: Final answer
    x = 206,811.61

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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.