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Finding the Fourth Proportional to 372,187.77, 558,281.67 and 161,825.73

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Solution

The fourth proportional to 372,187.77, 558,281.67 and 161,825.73 is: 242,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,187.77 : 558,281.67 = 161,825.73 : x
  2. Step 2: Convert to fraction form
    372,187.77/558,281.67 = 161,825.73/x
  3. Step 3: Cross multiply
    372,187.77x = 558,281.67 × 161,825.73
  4. Step 4: Simplify right side
    372,187.77x = 90,344,338,793.37
  5. Step 5: Solve for x
    x = 90,344,338,793.37/372,187.77
  6. Step 6: Final answer
    x = 242,738.60

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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.