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Finding the Fourth Proportional to 73,669.58, 110,581.67 and 65,289.70

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Solution

The fourth proportional to 73,669.58, 110,581.67 and 65,289.70 is: 98,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,669.58 : 110,581.67 = 65,289.70 : x
  2. Step 2: Convert to fraction form
    73,669.58/110,581.67 = 65,289.70/x
  3. Step 3: Cross multiply
    73,669.58x = 110,581.67 × 65,289.70
  4. Step 4: Simplify right side
    73,669.58x = 7,219,844,059.80
  5. Step 5: Solve for x
    x = 7,219,844,059.80/73,669.58
  6. Step 6: Final answer
    x = 98,003.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.