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Finding the Fourth Proportional to 72,350.64, 108,529.56 and 22,464.72

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Solution

The fourth proportional to 72,350.64, 108,529.56 and 22,464.72 is: 33,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.64 : 108,529.56 = 22,464.72 : x
  2. Step 2: Convert to fraction form
    72,350.64/108,529.56 = 22,464.72/x
  3. Step 3: Cross multiply
    72,350.64x = 108,529.56 × 22,464.72
  4. Step 4: Simplify right side
    72,350.64x = 2,438,086,177.12
  5. Step 5: Solve for x
    x = 2,438,086,177.12/72,350.64
  6. Step 6: Final answer
    x = 33,698.20

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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.