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Finding the Fourth Proportional to 73,686.03, 110,541.29 and 29,313.21

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Solution

The fourth proportional to 73,686.03, 110,541.29 and 29,313.21 is: 43,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.03 : 110,541.29 = 29,313.21 : x
  2. Step 2: Convert to fraction form
    73,686.03/110,541.29 = 29,313.21/x
  3. Step 3: Cross multiply
    73,686.03x = 110,541.29 × 29,313.21
  4. Step 4: Simplify right side
    73,686.03x = 3,240,320,047.44
  5. Step 5: Solve for x
    x = 3,240,320,047.44/73,686.03
  6. Step 6: Final answer
    x = 43,974.69

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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.