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Finding the Fourth Proportional to 84,304.37, 126,462.02 and 25,146.02

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Solution

The fourth proportional to 84,304.37, 126,462.02 and 25,146.02 is: 37,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,304.37 : 126,462.02 = 25,146.02 : x
  2. Step 2: Convert to fraction form
    84,304.37/126,462.02 = 25,146.02/x
  3. Step 3: Cross multiply
    84,304.37x = 126,462.02 × 25,146.02
  4. Step 4: Simplify right side
    84,304.37x = 3,180,015,726.12
  5. Step 5: Solve for x
    x = 3,180,015,726.12/84,304.37
  6. Step 6: Final answer
    x = 37,720.65

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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.