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Finding the Fourth Proportional to 110,865, 166,308.41 and 29,811.02

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Solution

The fourth proportional to 110,865, 166,308.41 and 29,811.02 is: 44,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,865 : 166,308.41 = 29,811.02 : x
  2. Step 2: Convert to fraction form
    110,865/166,308.41 = 29,811.02/x
  3. Step 3: Cross multiply
    110,865x = 166,308.41 × 29,811.02
  4. Step 4: Simplify right side
    110,865x = 4,957,822,356.08
  5. Step 5: Solve for x
    x = 4,957,822,356.08/110,865
  6. Step 6: Final answer
    x = 44,719.45

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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.