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Finding the Fourth Proportional to 96,992.98, 145,489.65 and 26,872.48

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Solution

The fourth proportional to 96,992.98, 145,489.65 and 26,872.48 is: 40,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,992.98 : 145,489.65 = 26,872.48 : x
  2. Step 2: Convert to fraction form
    96,992.98/145,489.65 = 26,872.48/x
  3. Step 3: Cross multiply
    96,992.98x = 145,489.65 × 26,872.48
  4. Step 4: Simplify right side
    96,992.98x = 3,909,667,709.83
  5. Step 5: Solve for x
    x = 3,909,667,709.83/96,992.98
  6. Step 6: Final answer
    x = 40,308.77

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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.