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Finding the Fourth Proportional to 73,699.56, 110,572.70 and 26,313.62

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Solution

The fourth proportional to 73,699.56, 110,572.70 and 26,313.62 is: 39,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.56 : 110,572.70 = 26,313.62 : x
  2. Step 2: Convert to fraction form
    73,699.56/110,572.70 = 26,313.62/x
  3. Step 3: Cross multiply
    73,699.56x = 110,572.70 × 26,313.62
  4. Step 4: Simplify right side
    73,699.56x = 2,909,568,010.17
  5. Step 5: Solve for x
    x = 2,909,568,010.17/73,699.56
  6. Step 6: Final answer
    x = 39,478.77

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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.