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Finding the Fourth Proportional to 77,808, 107,394.48 and 44,293.44

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Solution

The fourth proportional to 77,808, 107,394.48 and 44,293.44 is: 61,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,808 : 107,394.48 = 44,293.44 : x
  2. Step 2: Convert to fraction form
    77,808/107,394.48 = 44,293.44/x
  3. Step 3: Cross multiply
    77,808x = 107,394.48 × 44,293.44
  4. Step 4: Simplify right side
    77,808x = 4,756,870,956.21
  5. Step 5: Solve for x
    x = 4,756,870,956.21/77,808
  6. Step 6: Final answer
    x = 61,136.01

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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.