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Finding the Fourth Proportional to 110,903.31, 166,473.36 and 47,754.70

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Solution

The fourth proportional to 110,903.31, 166,473.36 and 47,754.70 is: 71,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,903.31 : 166,473.36 = 47,754.70 : x
  2. Step 2: Convert to fraction form
    110,903.31/166,473.36 = 47,754.70/x
  3. Step 3: Cross multiply
    110,903.31x = 166,473.36 × 47,754.70
  4. Step 4: Simplify right side
    110,903.31x = 7,949,884,948.61
  5. Step 5: Solve for x
    x = 7,949,884,948.61/110,903.31
  6. Step 6: Final answer
    x = 71,683.03

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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.