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Finding the Fourth Proportional to 110,952.40, 166,450.20 and 47,772.40

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Solution

The fourth proportional to 110,952.40, 166,450.20 and 47,772.40 is: 71,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,952.40 : 166,450.20 = 47,772.40 : x
  2. Step 2: Convert to fraction form
    110,952.40/166,450.20 = 47,772.40/x
  3. Step 3: Cross multiply
    110,952.40x = 166,450.20 × 47,772.40
  4. Step 4: Simplify right side
    110,952.40x = 7,951,725,534.48
  5. Step 5: Solve for x
    x = 7,951,725,534.48/110,952.40
  6. Step 6: Final answer
    x = 71,667.90

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1.5x scale

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.