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Finding the Fourth Proportional to 77,807.55, 116,524.22 and 44,426.44

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Solution

The fourth proportional to 77,807.55, 116,524.22 and 44,426.44 is: 66,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,807.55 : 116,524.22 = 44,426.44 : x
  2. Step 2: Convert to fraction form
    77,807.55/116,524.22 = 44,426.44/x
  3. Step 3: Cross multiply
    77,807.55x = 116,524.22 × 44,426.44
  4. Step 4: Simplify right side
    77,807.55x = 5,176,756,191.90
  5. Step 5: Solve for x
    x = 5,176,756,191.90/77,807.55
  6. Step 6: Final answer
    x = 66,532.82

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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.