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Finding the Fourth Proportional to 66,234.60, 99,351.90 and 26,771.40

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Solution

The fourth proportional to 66,234.60, 99,351.90 and 26,771.40 is: 40,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.60 : 99,351.90 = 26,771.40 : x
  2. Step 2: Convert to fraction form
    66,234.60/99,351.90 = 26,771.40/x
  3. Step 3: Cross multiply
    66,234.60x = 99,351.90 × 26,771.40
  4. Step 4: Simplify right side
    66,234.60x = 2,659,789,455.66
  5. Step 5: Solve for x
    x = 2,659,789,455.66/66,234.60
  6. Step 6: Final answer
    x = 40,157.10

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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.