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Finding the Fourth Proportional to 270,030.94, 372,645.60 and 149,175.46

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Solution

The fourth proportional to 270,030.94, 372,645.60 and 149,175.46 is: 205,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,030.94 : 372,645.60 = 149,175.46 : x
  2. Step 2: Convert to fraction form
    270,030.94/372,645.60 = 149,175.46/x
  3. Step 3: Cross multiply
    270,030.94x = 372,645.60 × 149,175.46
  4. Step 4: Simplify right side
    270,030.94x = 55,589,578,796.98
  5. Step 5: Solve for x
    x = 55,589,578,796.98/270,030.94
  6. Step 6: Final answer
    x = 205,863.74

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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.