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Finding the Fourth Proportional to 72,529.52, 108,690.60 and 41,300.24

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Solution

The fourth proportional to 72,529.52, 108,690.60 and 41,300.24 is: 61,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529.52 : 108,690.60 = 41,300.24 : x
  2. Step 2: Convert to fraction form
    72,529.52/108,690.60 = 41,300.24/x
  3. Step 3: Cross multiply
    72,529.52x = 108,690.60 × 41,300.24
  4. Step 4: Simplify right side
    72,529.52x = 4,488,947,865.74
  5. Step 5: Solve for x
    x = 4,488,947,865.74/72,529.52
  6. Step 6: Final answer
    x = 61,891.32

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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.