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Finding the Fourth Proportional to 80,068.48, 120,063 and 46,796.92

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Solution

The fourth proportional to 80,068.48, 120,063 and 46,796.92 is: 70,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068.48 : 120,063 = 46,796.92 : x
  2. Step 2: Convert to fraction form
    80,068.48/120,063 = 46,796.92/x
  3. Step 3: Cross multiply
    80,068.48x = 120,063 × 46,796.92
  4. Step 4: Simplify right side
    80,068.48x = 5,618,578,605.96
  5. Step 5: Solve for x
    x = 5,618,578,605.96/80,068.48
  6. Step 6: Final answer
    x = 70,172.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.