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Finding the Fourth Proportional to 73,215.52, 109,792.86 and 35,764.72

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Solution

The fourth proportional to 73,215.52, 109,792.86 and 35,764.72 is: 53,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.52 : 109,792.86 = 35,764.72 : x
  2. Step 2: Convert to fraction form
    73,215.52/109,792.86 = 35,764.72/x
  3. Step 3: Cross multiply
    73,215.52x = 109,792.86 × 35,764.72
  4. Step 4: Simplify right side
    73,215.52x = 3,926,710,487.30
  5. Step 5: Solve for x
    x = 3,926,710,487.30/73,215.52
  6. Step 6: Final answer
    x = 53,632.22

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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.