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Finding the Fourth Proportional to 113,523.75, 156,667.64 and 63,222.75

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Solution

The fourth proportional to 113,523.75, 156,667.64 and 63,222.75 is: 87,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,523.75 : 156,667.64 = 63,222.75 : x
  2. Step 2: Convert to fraction form
    113,523.75/156,667.64 = 63,222.75/x
  3. Step 3: Cross multiply
    113,523.75x = 156,667.64 × 63,222.75
  4. Step 4: Simplify right side
    113,523.75x = 9,904,958,720.70
  5. Step 5: Solve for x
    x = 9,904,958,720.70/113,523.75
  6. Step 6: Final answer
    x = 87,250.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.