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Finding the Fourth Proportional to 231,704.70, 347,297.85 and 98,562.30

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Solution

The fourth proportional to 231,704.70, 347,297.85 and 98,562.30 is: 147,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,704.70 : 347,297.85 = 98,562.30 : x
  2. Step 2: Convert to fraction form
    231,704.70/347,297.85 = 98,562.30/x
  3. Step 3: Cross multiply
    231,704.70x = 347,297.85 × 98,562.30
  4. Step 4: Simplify right side
    231,704.70x = 34,230,474,881.06
  5. Step 5: Solve for x
    x = 34,230,474,881.06/231,704.70
  6. Step 6: Final answer
    x = 147,733.19

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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.