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Finding the Fourth Proportional to 72,051.19, 108,093.22 and 25,304.06

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Solution

The fourth proportional to 72,051.19, 108,093.22 and 25,304.06 is: 37,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,051.19 : 108,093.22 = 25,304.06 : x
  2. Step 2: Convert to fraction form
    72,051.19/108,093.22 = 25,304.06/x
  3. Step 3: Cross multiply
    72,051.19x = 108,093.22 × 25,304.06
  4. Step 4: Simplify right side
    72,051.19x = 2,735,197,531.45
  5. Step 5: Solve for x
    x = 2,735,197,531.45/72,051.19
  6. Step 6: Final answer
    x = 37,961.87

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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.