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Finding the Fourth Proportional to 270,049.72, 372,662.06 and 149,202.58

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Solution

The fourth proportional to 270,049.72, 372,662.06 and 149,202.58 is: 205,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,049.72 : 372,662.06 = 149,202.58 : x
  2. Step 2: Convert to fraction form
    270,049.72/372,662.06 = 149,202.58/x
  3. Step 3: Cross multiply
    270,049.72x = 372,662.06 × 149,202.58
  4. Step 4: Simplify right side
    270,049.72x = 55,602,140,820.11
  5. Step 5: Solve for x
    x = 55,602,140,820.11/270,049.72
  6. Step 6: Final answer
    x = 205,895.94

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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.