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Finding the Fourth Proportional to 73,661.76, 101,650.54 and 45,029.37

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Solution

The fourth proportional to 73,661.76, 101,650.54 and 45,029.37 is: 62,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,661.76 : 101,650.54 = 45,029.37 : x
  2. Step 2: Convert to fraction form
    73,661.76/101,650.54 = 45,029.37/x
  3. Step 3: Cross multiply
    73,661.76x = 101,650.54 × 45,029.37
  4. Step 4: Simplify right side
    73,661.76x = 4,577,259,551.21
  5. Step 5: Solve for x
    x = 4,577,259,551.21/73,661.76
  6. Step 6: Final answer
    x = 62,138.89

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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.