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Finding the Fourth Proportional to 73,054.80, 100,781.01 and 47,551.86

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Solution

The fourth proportional to 73,054.80, 100,781.01 and 47,551.86 is: 65,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,054.80 : 100,781.01 = 47,551.86 : x
  2. Step 2: Convert to fraction form
    73,054.80/100,781.01 = 47,551.86/x
  3. Step 3: Cross multiply
    73,054.80x = 100,781.01 × 47,551.86
  4. Step 4: Simplify right side
    73,054.80x = 4,792,324,478.18
  5. Step 5: Solve for x
    x = 4,792,324,478.18/73,054.80
  6. Step 6: Final answer
    x = 65,599.04

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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.