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Finding the Fourth Proportional to 133,392.60, 200,319.30 and 71,184.60

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Solution

The fourth proportional to 133,392.60, 200,319.30 and 71,184.60 is: 106,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.60 : 200,319.30 = 71,184.60 : x
  2. Step 2: Convert to fraction form
    133,392.60/200,319.30 = 71,184.60/x
  3. Step 3: Cross multiply
    133,392.60x = 200,319.30 × 71,184.60
  4. Step 4: Simplify right side
    133,392.60x = 14,259,649,242.78
  5. Step 5: Solve for x
    x = 14,259,649,242.78/133,392.60
  6. Step 6: Final answer
    x = 106,899.85

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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.