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Finding the Fourth Proportional to 270,339.06, 373,095.12 and 149,489.46

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Solution

The fourth proportional to 270,339.06, 373,095.12 and 149,489.46 is: 206,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,339.06 : 373,095.12 = 149,489.46 : x
  2. Step 2: Convert to fraction form
    270,339.06/373,095.12 = 149,489.46/x
  3. Step 3: Cross multiply
    270,339.06x = 373,095.12 × 149,489.46
  4. Step 4: Simplify right side
    270,339.06x = 55,773,788,017.44
  5. Step 5: Solve for x
    x = 55,773,788,017.44/270,339.06
  6. Step 6: Final answer
    x = 206,310.51

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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.