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Finding the Fourth Proportional to 372,242.95, 558,138.93 and 167,039.97

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Solution

The fourth proportional to 372,242.95, 558,138.93 and 167,039.97 is: 250,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,242.95 : 558,138.93 = 167,039.97 : x
  2. Step 2: Convert to fraction form
    372,242.95/558,138.93 = 167,039.97/x
  3. Step 3: Cross multiply
    372,242.95x = 558,138.93 × 167,039.97
  4. Step 4: Simplify right side
    372,242.95x = 93,231,511,012.94
  5. Step 5: Solve for x
    x = 93,231,511,012.94/372,242.95
  6. Step 6: Final answer
    x = 250,458.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.