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Finding the Fourth Proportional to 96,993.25, 145,440.56 and 44,357.63

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Solution

The fourth proportional to 96,993.25, 145,440.56 and 44,357.63 is: 66,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,993.25 : 145,440.56 = 44,357.63 : x
  2. Step 2: Convert to fraction form
    96,993.25/145,440.56 = 44,357.63/x
  3. Step 3: Cross multiply
    96,993.25x = 145,440.56 × 44,357.63
  4. Step 4: Simplify right side
    96,993.25x = 6,451,397,931.16
  5. Step 5: Solve for x
    x = 6,451,397,931.16/96,993.25
  6. Step 6: Final answer
    x = 66,513.89

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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.