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Finding the Fourth Proportional to 80,318.93, 110,841.01 and 44,509.64

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Solution

The fourth proportional to 80,318.93, 110,841.01 and 44,509.64 is: 61,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.93 : 110,841.01 = 44,509.64 : x
  2. Step 2: Convert to fraction form
    80,318.93/110,841.01 = 44,509.64/x
  3. Step 3: Cross multiply
    80,318.93x = 110,841.01 × 44,509.64
  4. Step 4: Simplify right side
    80,318.93x = 4,933,492,786.86
  5. Step 5: Solve for x
    x = 4,933,492,786.86/80,318.93
  6. Step 6: Final answer
    x = 61,423.79

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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.