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Finding the Fourth Proportional to 73,007.26, 109,522.72 and 28,609.94

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Solution

The fourth proportional to 73,007.26, 109,522.72 and 28,609.94 is: 42,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007.26 : 109,522.72 = 28,609.94 : x
  2. Step 2: Convert to fraction form
    73,007.26/109,522.72 = 28,609.94/x
  3. Step 3: Cross multiply
    73,007.26x = 109,522.72 × 28,609.94
  4. Step 4: Simplify right side
    73,007.26x = 3,133,438,447.84
  5. Step 5: Solve for x
    x = 3,133,438,447.84/73,007.26
  6. Step 6: Final answer
    x = 42,919.55

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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.