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Finding the Fourth Proportional to 73,166.13, 100,906.07 and 47,662.88

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Solution

The fourth proportional to 73,166.13, 100,906.07 and 47,662.88 is: 65,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.13 : 100,906.07 = 47,662.88 : x
  2. Step 2: Convert to fraction form
    73,166.13/100,906.07 = 47,662.88/x
  3. Step 3: Cross multiply
    73,166.13x = 100,906.07 × 47,662.88
  4. Step 4: Simplify right side
    73,166.13x = 4,809,473,162.84
  5. Step 5: Solve for x
    x = 4,809,473,162.84/73,166.13
  6. Step 6: Final answer
    x = 65,733.60

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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.