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Finding the Fourth Proportional to 96,917.20, 145,440.60 and 44,299.60

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Solution

The fourth proportional to 96,917.20, 145,440.60 and 44,299.60 is: 66,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,917.20 : 145,440.60 = 44,299.60 : x
  2. Step 2: Convert to fraction form
    96,917.20/145,440.60 = 44,299.60/x
  3. Step 3: Cross multiply
    96,917.20x = 145,440.60 × 44,299.60
  4. Step 4: Simplify right side
    96,917.20x = 6,442,960,403.76
  5. Step 5: Solve for x
    x = 6,442,960,403.76/96,917.20
  6. Step 6: Final answer
    x = 66,479.02

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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.