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Finding the Fourth Proportional to 179,954.61, 248,335.38 and 99,380.54

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Solution

The fourth proportional to 179,954.61, 248,335.38 and 99,380.54 is: 137,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,954.61 : 248,335.38 = 99,380.54 : x
  2. Step 2: Convert to fraction form
    179,954.61/248,335.38 = 99,380.54/x
  3. Step 3: Cross multiply
    179,954.61x = 248,335.38 × 99,380.54
  4. Step 4: Simplify right side
    179,954.61x = 24,679,702,923.83
  5. Step 5: Solve for x
    x = 24,679,702,923.83/179,954.61
  6. Step 6: Final answer
    x = 137,144.04

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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.