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Finding the Fourth Proportional to 73,292.32, 109,864.72 and 28,950.52

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Solution

The fourth proportional to 73,292.32, 109,864.72 and 28,950.52 is: 43,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.32 : 109,864.72 = 28,950.52 : x
  2. Step 2: Convert to fraction form
    73,292.32/109,864.72 = 28,950.52/x
  3. Step 3: Cross multiply
    73,292.32x = 109,864.72 × 28,950.52
  4. Step 4: Simplify right side
    73,292.32x = 3,180,640,773.65
  5. Step 5: Solve for x
    x = 3,180,640,773.65/73,292.32
  6. Step 6: Final answer
    x = 43,396.64

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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.