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Finding the Fourth Proportional to 270,570.71, 373,383.86 and 149,709.80

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Solution

The fourth proportional to 270,570.71, 373,383.86 and 149,709.80 is: 206,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,570.71 : 373,383.86 = 149,709.80 : x
  2. Step 2: Convert to fraction form
    270,570.71/373,383.86 = 149,709.80/x
  3. Step 3: Cross multiply
    270,570.71x = 373,383.86 × 149,709.80
  4. Step 4: Simplify right side
    270,570.71x = 55,899,220,388.36
  5. Step 5: Solve for x
    x = 55,899,220,388.36/270,570.71
  6. Step 6: Final answer
    x = 206,597.46

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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.