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Finding the Fourth Proportional to 73,535.91, 101,471.31 and 43,319.28

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Solution

The fourth proportional to 73,535.91, 101,471.31 and 43,319.28 is: 59,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,535.91 : 101,471.31 = 43,319.28 : x
  2. Step 2: Convert to fraction form
    73,535.91/101,471.31 = 43,319.28/x
  3. Step 3: Cross multiply
    73,535.91x = 101,471.31 × 43,319.28
  4. Step 4: Simplify right side
    73,535.91x = 4,395,664,089.86
  5. Step 5: Solve for x
    x = 4,395,664,089.86/73,535.91
  6. Step 6: Final answer
    x = 59,775.75

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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.