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Finding the Fourth Proportional to 73,571.21, 101,527.30 and 43,357.80

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Solution

The fourth proportional to 73,571.21, 101,527.30 and 43,357.80 is: 59,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,571.21 : 101,527.30 = 43,357.80 : x
  2. Step 2: Convert to fraction form
    73,571.21/101,527.30 = 43,357.80/x
  3. Step 3: Cross multiply
    73,571.21x = 101,527.30 × 43,357.80
  4. Step 4: Simplify right side
    73,571.21x = 4,402,000,367.94
  5. Step 5: Solve for x
    x = 4,402,000,367.94/73,571.21
  6. Step 6: Final answer
    x = 59,833.19

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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.