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Finding the Fourth Proportional to 179,047, 247,086.91 and 98,475.85

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Solution

The fourth proportional to 179,047, 247,086.91 and 98,475.85 is: 135,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,047 : 247,086.91 = 98,475.85 : x
  2. Step 2: Convert to fraction form
    179,047/247,086.91 = 98,475.85/x
  3. Step 3: Cross multiply
    179,047x = 247,086.91 × 98,475.85
  4. Step 4: Simplify right side
    179,047x = 24,332,093,486.12
  5. Step 5: Solve for x
    x = 24,332,093,486.12/179,047
  6. Step 6: Final answer
    x = 135,897.80

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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.