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Finding the Fourth Proportional to 80,311.84, 110,827.35 and 46,321.72

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Solution

The fourth proportional to 80,311.84, 110,827.35 and 46,321.72 is: 63,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.84 : 110,827.35 = 46,321.72 : x
  2. Step 2: Convert to fraction form
    80,311.84/110,827.35 = 46,321.72/x
  3. Step 3: Cross multiply
    80,311.84x = 110,827.35 × 46,321.72
  4. Step 4: Simplify right side
    80,311.84x = 5,133,713,475.04
  5. Step 5: Solve for x
    x = 5,133,713,475.04/80,311.84
  6. Step 6: Final answer
    x = 63,922.25

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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.