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Finding the Fourth Proportional to 73,046.14, 109,486.16 and 30,899.92

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Solution

The fourth proportional to 73,046.14, 109,486.16 and 30,899.92 is: 46,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,046.14 : 109,486.16 = 30,899.92 : x
  2. Step 2: Convert to fraction form
    73,046.14/109,486.16 = 30,899.92/x
  3. Step 3: Cross multiply
    73,046.14x = 109,486.16 × 30,899.92
  4. Step 4: Simplify right side
    73,046.14x = 3,383,113,585.11
  5. Step 5: Solve for x
    x = 3,383,113,585.11/73,046.14
  6. Step 6: Final answer
    x = 46,314.75

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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.