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Finding the Fourth Proportional to 96,992.88, 145,410.78 and 43,645.68

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Solution

The fourth proportional to 96,992.88, 145,410.78 and 43,645.68 is: 65,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,992.88 : 145,410.78 = 43,645.68 : x
  2. Step 2: Convert to fraction form
    96,992.88/145,410.78 = 43,645.68/x
  3. Step 3: Cross multiply
    96,992.88x = 145,410.78 × 43,645.68
  4. Step 4: Simplify right side
    96,992.88x = 6,346,552,372.43
  5. Step 5: Solve for x
    x = 6,346,552,372.43/96,992.88
  6. Step 6: Final answer
    x = 65,433.18

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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.