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Finding the Fourth Proportional to 231,883.60, 347,622.90 and 89,825.80

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Solution

The fourth proportional to 231,883.60, 347,622.90 and 89,825.80 is: 134,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883.60 : 347,622.90 = 89,825.80 : x
  2. Step 2: Convert to fraction form
    231,883.60/347,622.90 = 89,825.80/x
  3. Step 3: Cross multiply
    231,883.60x = 347,622.90 × 89,825.80
  4. Step 4: Simplify right side
    231,883.60x = 31,225,505,090.82
  5. Step 5: Solve for x
    x = 31,225,505,090.82/231,883.60
  6. Step 6: Final answer
    x = 134,660.26

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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.