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Finding the Fourth Proportional to 179,879.98, 248,227.86 and 99,305.80

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Solution

The fourth proportional to 179,879.98, 248,227.86 and 99,305.80 is: 137,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,879.98 : 248,227.86 = 99,305.80 : x
  2. Step 2: Convert to fraction form
    179,879.98/248,227.86 = 99,305.80/x
  3. Step 3: Cross multiply
    179,879.98x = 248,227.86 × 99,305.80
  4. Step 4: Simplify right side
    179,879.98x = 24,650,466,219.59
  5. Step 5: Solve for x
    x = 24,650,466,219.59/179,879.98
  6. Step 6: Final answer
    x = 137,038.41

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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.