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Finding the Fourth Proportional to 72,350.43, 108,529.74 and 22,437.62

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Solution

The fourth proportional to 72,350.43, 108,529.74 and 22,437.62 is: 33,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.43 : 108,529.74 = 22,437.62 : x
  2. Step 2: Convert to fraction form
    72,350.43/108,529.74 = 22,437.62/x
  3. Step 3: Cross multiply
    72,350.43x = 108,529.74 × 22,437.62
  4. Step 4: Simplify right side
    72,350.43x = 2,435,149,064.82
  5. Step 5: Solve for x
    x = 2,435,149,064.82/72,350.43
  6. Step 6: Final answer
    x = 33,657.70

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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.