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Finding the Fourth Proportional to 80,746.93, 111,429.93 and 44,447.17

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Solution

The fourth proportional to 80,746.93, 111,429.93 and 44,447.17 is: 61,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746.93 : 111,429.93 = 44,447.17 : x
  2. Step 2: Convert to fraction form
    80,746.93/111,429.93 = 44,447.17/x
  3. Step 3: Cross multiply
    80,746.93x = 111,429.93 × 44,447.17
  4. Step 4: Simplify right side
    80,746.93x = 4,952,745,041.80
  5. Step 5: Solve for x
    x = 4,952,745,041.80/80,746.93
  6. Step 6: Final answer
    x = 61,336.64

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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.