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Finding the Fourth Proportional to 100,370.39, 150,613.89 and 44,966.39

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Solution

The fourth proportional to 100,370.39, 150,613.89 and 44,966.39 is: 67,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,370.39 : 150,613.89 = 44,966.39 : x
  2. Step 2: Convert to fraction form
    100,370.39/150,613.89 = 44,966.39/x
  3. Step 3: Cross multiply
    100,370.39x = 150,613.89 × 44,966.39
  4. Step 4: Simplify right side
    100,370.39x = 6,772,562,917.16
  5. Step 5: Solve for x
    x = 6,772,562,917.16/100,370.39
  6. Step 6: Final answer
    x = 67,475.71

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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.