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Finding the Fourth Proportional to 77,266.70, 115,844.70 and 29,841.20

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Solution

The fourth proportional to 77,266.70, 115,844.70 and 29,841.20 is: 44,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,266.70 : 115,844.70 = 29,841.20 : x
  2. Step 2: Convert to fraction form
    77,266.70/115,844.70 = 29,841.20/x
  3. Step 3: Cross multiply
    77,266.70x = 115,844.70 × 29,841.20
  4. Step 4: Simplify right side
    77,266.70x = 3,456,944,861.64
  5. Step 5: Solve for x
    x = 3,456,944,861.64/77,266.70
  6. Step 6: Final answer
    x = 44,740.42

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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.