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Finding the Fourth Proportional to 96,896.80, 145,296.60 and 44,246.80

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Solution

The fourth proportional to 96,896.80, 145,296.60 and 44,246.80 is: 66,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,896.80 : 145,296.60 = 44,246.80 : x
  2. Step 2: Convert to fraction form
    96,896.80/145,296.60 = 44,246.80/x
  3. Step 3: Cross multiply
    96,896.80x = 145,296.60 × 44,246.80
  4. Step 4: Simplify right side
    96,896.80x = 6,428,909,600.88
  5. Step 5: Solve for x
    x = 6,428,909,600.88/96,896.80
  6. Step 6: Final answer
    x = 66,348.01

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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.