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Finding the Fourth Proportional to 131,366.88, 196,706.88 and 112,764.96

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Solution

The fourth proportional to 131,366.88, 196,706.88 and 112,764.96 is: 168,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,366.88 : 196,706.88 = 112,764.96 : x
  2. Step 2: Convert to fraction form
    131,366.88/196,706.88 = 112,764.96/x
  3. Step 3: Cross multiply
    131,366.88x = 196,706.88 × 112,764.96
  4. Step 4: Simplify right side
    131,366.88x = 22,181,643,454.92
  5. Step 5: Solve for x
    x = 22,181,643,454.92/131,366.88
  6. Step 6: Final answer
    x = 168,852.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.