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Finding the Fourth Proportional to 132,224.40, 198,466.20 and 65,739.60

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Solution

The fourth proportional to 132,224.40, 198,466.20 and 65,739.60 is: 98,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,224.40 : 198,466.20 = 65,739.60 : x
  2. Step 2: Convert to fraction form
    132,224.40/198,466.20 = 65,739.60/x
  3. Step 3: Cross multiply
    132,224.40x = 198,466.20 × 65,739.60
  4. Step 4: Simplify right side
    132,224.40x = 13,047,088,601.52
  5. Step 5: Solve for x
    x = 13,047,088,601.52/132,224.40
  6. Step 6: Final answer
    x = 98,673.83

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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.