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Finding the Fourth Proportional to 96,993.22, 133,856.13 and 64,672.06

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Solution

The fourth proportional to 96,993.22, 133,856.13 and 64,672.06 is: 89,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,993.22 : 133,856.13 = 64,672.06 : x
  2. Step 2: Convert to fraction form
    96,993.22/133,856.13 = 64,672.06/x
  3. Step 3: Cross multiply
    96,993.22x = 133,856.13 × 64,672.06
  4. Step 4: Simplify right side
    96,993.22x = 8,656,751,670.73
  5. Step 5: Solve for x
    x = 8,656,751,670.73/96,993.22
  6. Step 6: Final answer
    x = 89,251.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.