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Finding the Fourth Proportional to 72,024.42, 108,009.26 and 34,573.88

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Solution

The fourth proportional to 72,024.42, 108,009.26 and 34,573.88 is: 51,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.42 : 108,009.26 = 34,573.88 : x
  2. Step 2: Convert to fraction form
    72,024.42/108,009.26 = 34,573.88/x
  3. Step 3: Cross multiply
    72,024.42x = 108,009.26 × 34,573.88
  4. Step 4: Simplify right side
    72,024.42x = 3,734,299,194.13
  5. Step 5: Solve for x
    x = 3,734,299,194.13/72,024.42
  6. Step 6: Final answer
    x = 51,847.68

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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.