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Finding the Fourth Proportional to 73,199.79, 100,976.70 and 44,528.22

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Solution

The fourth proportional to 73,199.79, 100,976.70 and 44,528.22 is: 61,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,199.79 : 100,976.70 = 44,528.22 : x
  2. Step 2: Convert to fraction form
    73,199.79/100,976.70 = 44,528.22/x
  3. Step 3: Cross multiply
    73,199.79x = 100,976.70 × 44,528.22
  4. Step 4: Simplify right side
    73,199.79x = 4,496,312,712.47
  5. Step 5: Solve for x
    x = 4,496,312,712.47/73,199.79
  6. Step 6: Final answer
    x = 61,425.21

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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.