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Finding the Fourth Proportional to 270,013.97, 372,612.06 and 149,152.66

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Solution

The fourth proportional to 270,013.97, 372,612.06 and 149,152.66 is: 205,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,013.97 : 372,612.06 = 149,152.66 : x
  2. Step 2: Convert to fraction form
    270,013.97/372,612.06 = 149,152.66/x
  3. Step 3: Cross multiply
    270,013.97x = 372,612.06 × 149,152.66
  4. Step 4: Simplify right side
    270,013.97x = 55,576,078,965.55
  5. Step 5: Solve for x
    x = 55,576,078,965.55/270,013.97
  6. Step 6: Final answer
    x = 205,826.68

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1.5x scale

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.