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Finding the Fourth Proportional to 73,126.62, 100,921.50 and 44,439.66

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Solution

The fourth proportional to 73,126.62, 100,921.50 and 44,439.66 is: 61,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.62 : 100,921.50 = 44,439.66 : x
  2. Step 2: Convert to fraction form
    73,126.62/100,921.50 = 44,439.66/x
  3. Step 3: Cross multiply
    73,126.62x = 100,921.50 × 44,439.66
  4. Step 4: Simplify right side
    73,126.62x = 4,484,917,146.69
  5. Step 5: Solve for x
    x = 4,484,917,146.69/73,126.62
  6. Step 6: Final answer
    x = 61,330.84

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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.