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Finding the Fourth Proportional to 179,616, 247,880.52 and 99,060.66

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Solution

The fourth proportional to 179,616, 247,880.52 and 99,060.66 is: 136,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,616 : 247,880.52 = 99,060.66 : x
  2. Step 2: Convert to fraction form
    179,616/247,880.52 = 99,060.66/x
  3. Step 3: Cross multiply
    179,616x = 247,880.52 × 99,060.66
  4. Step 4: Simplify right side
    179,616x = 24,555,207,912.34
  5. Step 5: Solve for x
    x = 24,555,207,912.34/179,616
  6. Step 6: Final answer
    x = 136,709.47

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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.