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Finding the Fourth Proportional to 270,397.44, 373,133.40 and 149,531.52

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Solution

The fourth proportional to 270,397.44, 373,133.40 and 149,531.52 is: 206,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,397.44 : 373,133.40 = 149,531.52 : x
  2. Step 2: Convert to fraction form
    270,397.44/373,133.40 = 149,531.52/x
  3. Step 3: Cross multiply
    270,397.44x = 373,133.40 × 149,531.52
  4. Step 4: Simplify right side
    270,397.44x = 55,795,204,464.77
  5. Step 5: Solve for x
    x = 55,795,204,464.77/270,397.44
  6. Step 6: Final answer
    x = 206,345.17

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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.