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Finding the Fourth Proportional to 270,343.68, 373,059.22 and 149,477.72

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Solution

The fourth proportional to 270,343.68, 373,059.22 and 149,477.72 is: 206,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,343.68 : 373,059.22 = 149,477.72 : x
  2. Step 2: Convert to fraction form
    270,343.68/373,059.22 = 149,477.72/x
  3. Step 3: Cross multiply
    270,343.68x = 373,059.22 × 149,477.72
  4. Step 4: Simplify right side
    270,343.68x = 55,764,041,630.58
  5. Step 5: Solve for x
    x = 55,764,041,630.58/270,343.68
  6. Step 6: Final answer
    x = 206,270.93

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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.