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Finding the Fourth Proportional to 92,025.96, 138,018.42 and 35,867.58

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Solution

The fourth proportional to 92,025.96, 138,018.42 and 35,867.58 is: 53,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,025.96 : 138,018.42 = 35,867.58 : x
  2. Step 2: Convert to fraction form
    92,025.96/138,018.42 = 35,867.58/x
  3. Step 3: Cross multiply
    92,025.96x = 138,018.42 × 35,867.58
  4. Step 4: Simplify right side
    92,025.96x = 4,950,386,720.82
  5. Step 5: Solve for x
    x = 4,950,386,720.82/92,025.96
  6. Step 6: Final answer
    x = 53,793.37

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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.