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Finding the Fourth Proportional to 270,612.54, 373,441.61 and 149,746.46

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Solution

The fourth proportional to 270,612.54, 373,441.61 and 149,746.46 is: 206,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,612.54 : 373,441.61 = 149,746.46 : x
  2. Step 2: Convert to fraction form
    270,612.54/373,441.61 = 149,746.46/x
  3. Step 3: Cross multiply
    270,612.54x = 373,441.61 × 149,746.46
  4. Step 4: Simplify right side
    270,612.54x = 55,921,560,422.17
  5. Step 5: Solve for x
    x = 55,921,560,422.17/270,612.54
  6. Step 6: Final answer
    x = 206,648.07

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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.