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Finding the Fourth Proportional to 95,418.21, 142,905.84 and 92,096.80

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Solution

The fourth proportional to 95,418.21, 142,905.84 and 92,096.80 is: 137,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,418.21 : 142,905.84 = 92,096.80 : x
  2. Step 2: Convert to fraction form
    95,418.21/142,905.84 = 92,096.80/x
  3. Step 3: Cross multiply
    95,418.21x = 142,905.84 × 92,096.80
  4. Step 4: Simplify right side
    95,418.21x = 13,161,170,565.31
  5. Step 5: Solve for x
    x = 13,161,170,565.31/95,418.21
  6. Step 6: Final answer
    x = 137,931.43

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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.