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Finding the Fourth Proportional to 110,667.30, 166,022.55 and 47,487.30

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Solution

The fourth proportional to 110,667.30, 166,022.55 and 47,487.30 is: 71,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,667.30 : 166,022.55 = 47,487.30 : x
  2. Step 2: Convert to fraction form
    110,667.30/166,022.55 = 47,487.30/x
  3. Step 3: Cross multiply
    110,667.30x = 166,022.55 × 47,487.30
  4. Step 4: Simplify right side
    110,667.30x = 7,883,962,638.62
  5. Step 5: Solve for x
    x = 7,883,962,638.62/110,667.30
  6. Step 6: Final answer
    x = 71,240.22

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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.