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Finding the Fourth Proportional to 73,833.87, 110,174.66 and 65,881.62

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Solution

The fourth proportional to 73,833.87, 110,174.66 and 65,881.62 is: 98,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,833.87 : 110,174.66 = 65,881.62 : x
  2. Step 2: Convert to fraction form
    73,833.87/110,174.66 = 65,881.62/x
  3. Step 3: Cross multiply
    73,833.87x = 110,174.66 × 65,881.62
  4. Step 4: Simplify right side
    73,833.87x = 7,258,484,754.34
  5. Step 5: Solve for x
    x = 7,258,484,754.34/73,833.87
  6. Step 6: Final answer
    x = 98,308.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.