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Finding the Fourth Proportional to 269,598.92, 404,445.94 and 92,064.32

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Solution

The fourth proportional to 269,598.92, 404,445.94 and 92,064.32 is: 138,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,598.92 : 404,445.94 = 92,064.32 : x
  2. Step 2: Convert to fraction form
    269,598.92/404,445.94 = 92,064.32/x
  3. Step 3: Cross multiply
    269,598.92x = 404,445.94 × 92,064.32
  4. Step 4: Simplify right side
    269,598.92x = 37,235,040,442.86
  5. Step 5: Solve for x
    x = 37,235,040,442.86/269,598.92
  6. Step 6: Final answer
    x = 138,112.72

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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.