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Finding the Fourth Proportional to 92,026.29, 138,041.16 and 28,845.02

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Solution

The fourth proportional to 92,026.29, 138,041.16 and 28,845.02 is: 43,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,026.29 : 138,041.16 = 28,845.02 : x
  2. Step 2: Convert to fraction form
    92,026.29/138,041.16 = 28,845.02/x
  3. Step 3: Cross multiply
    92,026.29x = 138,041.16 × 28,845.02
  4. Step 4: Simplify right side
    92,026.29x = 3,981,800,021.02
  5. Step 5: Solve for x
    x = 3,981,800,021.02/92,026.29
  6. Step 6: Final answer
    x = 43,268.07

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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.