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Finding the Fourth Proportional to 72,265.81, 108,410.46 and 22,334.26

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Solution

The fourth proportional to 72,265.81, 108,410.46 and 22,334.26 is: 33,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,265.81 : 108,410.46 = 22,334.26 : x
  2. Step 2: Convert to fraction form
    72,265.81/108,410.46 = 22,334.26/x
  3. Step 3: Cross multiply
    72,265.81x = 108,410.46 × 22,334.26
  4. Step 4: Simplify right side
    72,265.81x = 2,421,267,400.36
  5. Step 5: Solve for x
    x = 2,421,267,400.36/72,265.81
  6. Step 6: Final answer
    x = 33,505.02

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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.