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Finding the Fourth Proportional to 110,802.72, 166,015.02 and 60,924.60

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Solution

The fourth proportional to 110,802.72, 166,015.02 and 60,924.60 is: 91,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,802.72 : 166,015.02 = 60,924.60 : x
  2. Step 2: Convert to fraction form
    110,802.72/166,015.02 = 60,924.60/x
  3. Step 3: Cross multiply
    110,802.72x = 166,015.02 × 60,924.60
  4. Step 4: Simplify right side
    110,802.72x = 10,114,398,687.49
  5. Step 5: Solve for x
    x = 10,114,398,687.49/110,802.72
  6. Step 6: Final answer
    x = 91,282.95

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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.