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Finding the Fourth Proportional to 270,132.69, 372,805.56 and 149,297.57

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Solution

The fourth proportional to 270,132.69, 372,805.56 and 149,297.57 is: 206,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,132.69 : 372,805.56 = 149,297.57 : x
  2. Step 2: Convert to fraction form
    270,132.69/372,805.56 = 149,297.57/x
  3. Step 3: Cross multiply
    270,132.69x = 372,805.56 × 149,297.57
  4. Step 4: Simplify right side
    270,132.69x = 55,658,962,326.46
  5. Step 5: Solve for x
    x = 55,658,962,326.46/270,132.69
  6. Step 6: Final answer
    x = 206,043.05

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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.