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Finding the Fourth Proportional to 73,594.80, 101,335.92 and 55,471.86

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Solution

The fourth proportional to 73,594.80, 101,335.92 and 55,471.86 is: 76,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,594.80 : 101,335.92 = 55,471.86 : x
  2. Step 2: Convert to fraction form
    73,594.80/101,335.92 = 55,471.86/x
  3. Step 3: Cross multiply
    73,594.80x = 101,335.92 × 55,471.86
  4. Step 4: Simplify right side
    73,594.80x = 5,621,291,967.21
  5. Step 5: Solve for x
    x = 5,621,291,967.21/73,594.80
  6. Step 6: Final answer
    x = 76,381.65

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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.