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Finding the Fourth Proportional to 270,064.66, 372,696.72 and 149,213.74

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Solution

The fourth proportional to 270,064.66, 372,696.72 and 149,213.74 is: 205,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,064.66 : 372,696.72 = 149,213.74 : x
  2. Step 2: Convert to fraction form
    270,064.66/372,696.72 = 149,213.74/x
  3. Step 3: Cross multiply
    270,064.66x = 372,696.72 × 149,213.74
  4. Step 4: Simplify right side
    270,064.66x = 55,611,471,476.93
  5. Step 5: Solve for x
    x = 55,611,471,476.93/270,064.66
  6. Step 6: Final answer
    x = 205,919.10

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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.