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Finding the Fourth Proportional to 73,202.28, 100,980.18 and 44,530.71

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Solution

The fourth proportional to 73,202.28, 100,980.18 and 44,530.71 is: 61,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,202.28 : 100,980.18 = 44,530.71 : x
  2. Step 2: Convert to fraction form
    73,202.28/100,980.18 = 44,530.71/x
  3. Step 3: Cross multiply
    73,202.28x = 100,980.18 × 44,530.71
  4. Step 4: Simplify right side
    73,202.28x = 4,496,719,111.33
  5. Step 5: Solve for x
    x = 4,496,719,111.33/73,202.28
  6. Step 6: Final answer
    x = 61,428.68

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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.