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Finding the Fourth Proportional to 179,563.90, 247,787.48 and 98,994.82

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Solution

The fourth proportional to 179,563.90, 247,787.48 and 98,994.82 is: 136,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,563.90 : 247,787.48 = 98,994.82 : x
  2. Step 2: Convert to fraction form
    179,563.90/247,787.48 = 98,994.82/x
  3. Step 3: Cross multiply
    179,563.90x = 247,787.48 × 98,994.82
  4. Step 4: Simplify right side
    179,563.90x = 24,529,676,980.85
  5. Step 5: Solve for x
    x = 24,529,676,980.85/179,563.90
  6. Step 6: Final answer
    x = 136,606.95

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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.