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Finding the Fourth Proportional to 73,079.55, 100,812.63 and 44,391.60

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Solution

The fourth proportional to 73,079.55, 100,812.63 and 44,391.60 is: 61,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.55 : 100,812.63 = 44,391.60 : x
  2. Step 2: Convert to fraction form
    73,079.55/100,812.63 = 44,391.60/x
  3. Step 3: Cross multiply
    73,079.55x = 100,812.63 × 44,391.60
  4. Step 4: Simplify right side
    73,079.55x = 4,475,233,945.91
  5. Step 5: Solve for x
    x = 4,475,233,945.91/73,079.55
  6. Step 6: Final answer
    x = 61,237.84

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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.