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Finding the Fourth Proportional to 77,466.68, 106,926.92 and 45,645.83

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Solution

The fourth proportional to 77,466.68, 106,926.92 and 45,645.83 is: 63,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.68 : 106,926.92 = 45,645.83 : x
  2. Step 2: Convert to fraction form
    77,466.68/106,926.92 = 45,645.83/x
  3. Step 3: Cross multiply
    77,466.68x = 106,926.92 × 45,645.83
  4. Step 4: Simplify right side
    77,466.68x = 4,880,767,249.88
  5. Step 5: Solve for x
    x = 4,880,767,249.88/77,466.68
  6. Step 6: Final answer
    x = 63,004.73

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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.