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Finding the Fourth Proportional to 110,960.88, 166,482.18 and 79,621.08

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Solution

The fourth proportional to 110,960.88, 166,482.18 and 79,621.08 is: 119,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,960.88 : 166,482.18 = 79,621.08 : x
  2. Step 2: Convert to fraction form
    110,960.88/166,482.18 = 79,621.08/x
  3. Step 3: Cross multiply
    110,960.88x = 166,482.18 × 79,621.08
  4. Step 4: Simplify right side
    110,960.88x = 13,255,490,972.35
  5. Step 5: Solve for x
    x = 13,255,490,972.35/110,960.88
  6. Step 6: Final answer
    x = 119,460.94

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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.