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Finding the Fourth Proportional to 78,653.52, 108,532.44 and 44,665.92

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Solution

The fourth proportional to 78,653.52, 108,532.44 and 44,665.92 is: 61,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,653.52 : 108,532.44 = 44,665.92 : x
  2. Step 2: Convert to fraction form
    78,653.52/108,532.44 = 44,665.92/x
  3. Step 3: Cross multiply
    78,653.52x = 108,532.44 × 44,665.92
  4. Step 4: Simplify right side
    78,653.52x = 4,847,701,282.44
  5. Step 5: Solve for x
    x = 4,847,701,282.44/78,653.52
  6. Step 6: Final answer
    x = 61,633.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.