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Finding the Fourth Proportional to 60,654.76, 90,871.30 and 43,973.43

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Solution

The fourth proportional to 60,654.76, 90,871.30 and 43,973.43 is: 65,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,654.76 : 90,871.30 = 43,973.43 : x
  2. Step 2: Convert to fraction form
    60,654.76/90,871.30 = 43,973.43/x
  3. Step 3: Cross multiply
    60,654.76x = 90,871.30 × 43,973.43
  4. Step 4: Simplify right side
    60,654.76x = 3,995,922,749.56
  5. Step 5: Solve for x
    x = 3,995,922,749.56/60,654.76
  6. Step 6: Final answer
    x = 65,879.79

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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.