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Finding the Fourth Proportional to 179,871.74, 248,223.36 and 99,299.36

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Solution

The fourth proportional to 179,871.74, 248,223.36 and 99,299.36 is: 137,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,871.74 : 248,223.36 = 99,299.36 : x
  2. Step 2: Convert to fraction form
    179,871.74/248,223.36 = 99,299.36/x
  3. Step 3: Cross multiply
    179,871.74x = 248,223.36 × 99,299.36
  4. Step 4: Simplify right side
    179,871.74x = 24,648,420,785.05
  5. Step 5: Solve for x
    x = 24,648,420,785.05/179,871.74
  6. Step 6: Final answer
    x = 137,033.31

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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.