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Finding the Fourth Proportional to 270,034.56, 372,669.48 and 149,186.39

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Solution

The fourth proportional to 270,034.56, 372,669.48 and 149,186.39 is: 205,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,034.56 : 372,669.48 = 149,186.39 : x
  2. Step 2: Convert to fraction form
    270,034.56/372,669.48 = 149,186.39/x
  3. Step 3: Cross multiply
    270,034.56x = 372,669.48 × 149,186.39
  4. Step 4: Simplify right side
    270,034.56x = 55,597,212,521.03
  5. Step 5: Solve for x
    x = 55,597,212,521.03/270,034.56
  6. Step 6: Final answer
    x = 205,889.25

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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.