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Finding the Fourth Proportional to 72,024.36, 108,043.02 and 36,941.64

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Solution

The fourth proportional to 72,024.36, 108,043.02 and 36,941.64 is: 55,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.36 : 108,043.02 = 36,941.64 : x
  2. Step 2: Convert to fraction form
    72,024.36/108,043.02 = 36,941.64/x
  3. Step 3: Cross multiply
    72,024.36x = 108,043.02 × 36,941.64
  4. Step 4: Simplify right side
    72,024.36x = 3,991,286,349.35
  5. Step 5: Solve for x
    x = 3,991,286,349.35/72,024.36
  6. Step 6: Final answer
    x = 55,415.78

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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.