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Finding the Fourth Proportional to 73,270.56, 101,077.20 and 49,366.56

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Solution

The fourth proportional to 73,270.56, 101,077.20 and 49,366.56 is: 68,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,270.56 : 101,077.20 = 49,366.56 : x
  2. Step 2: Convert to fraction form
    73,270.56/101,077.20 = 49,366.56/x
  3. Step 3: Cross multiply
    73,270.56x = 101,077.20 × 49,366.56
  4. Step 4: Simplify right side
    73,270.56x = 4,989,833,658.43
  5. Step 5: Solve for x
    x = 4,989,833,658.43/73,270.56
  6. Step 6: Final answer
    x = 68,101.48

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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.