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Finding the Fourth Proportional to 231,336.60, 347,004.90 and 65,124.60

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Solution

The fourth proportional to 231,336.60, 347,004.90 and 65,124.60 is: 97,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,336.60 : 347,004.90 = 65,124.60 : x
  2. Step 2: Convert to fraction form
    231,336.60/347,004.90 = 65,124.60/x
  3. Step 3: Cross multiply
    231,336.60x = 347,004.90 × 65,124.60
  4. Step 4: Simplify right side
    231,336.60x = 22,598,555,310.54
  5. Step 5: Solve for x
    x = 22,598,555,310.54/231,336.60
  6. Step 6: Final answer
    x = 97,686.90

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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.