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Finding the Fourth Proportional to 179,563.79, 247,799.70 and 98,994.17

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Solution

The fourth proportional to 179,563.79, 247,799.70 and 98,994.17 is: 136,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,563.79 : 247,799.70 = 98,994.17 : x
  2. Step 2: Convert to fraction form
    179,563.79/247,799.70 = 98,994.17/x
  3. Step 3: Cross multiply
    179,563.79x = 247,799.70 × 98,994.17
  4. Step 4: Simplify right side
    179,563.79x = 24,530,724,388.75
  5. Step 5: Solve for x
    x = 24,530,724,388.75/179,563.79
  6. Step 6: Final answer
    x = 136,612.87

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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.