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Finding the Fourth Proportional to 179,892.80, 248,267.04 and 99,327.68

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Solution

The fourth proportional to 179,892.80, 248,267.04 and 99,327.68 is: 137,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,892.80 : 248,267.04 = 99,327.68 : x
  2. Step 2: Convert to fraction form
    179,892.80/248,267.04 = 99,327.68/x
  3. Step 3: Cross multiply
    179,892.80x = 248,267.04 × 99,327.68
  4. Step 4: Simplify right side
    179,892.80x = 24,659,789,103.67
  5. Step 5: Solve for x
    x = 24,659,789,103.67/179,892.80
  6. Step 6: Final answer
    x = 137,080.47

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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.