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Finding the Fourth Proportional to 80,308.84, 110,823.20 and 46,318.72

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Solution

The fourth proportional to 80,308.84, 110,823.20 and 46,318.72 is: 63,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,308.84 : 110,823.20 = 46,318.72 : x
  2. Step 2: Convert to fraction form
    80,308.84/110,823.20 = 46,318.72/x
  3. Step 3: Cross multiply
    80,308.84x = 110,823.20 × 46,318.72
  4. Step 4: Simplify right side
    80,308.84x = 5,133,188,770.30
  5. Step 5: Solve for x
    x = 5,133,188,770.30/80,308.84
  6. Step 6: Final answer
    x = 63,918.10

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