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Finding the Fourth Proportional to 92,491.88, 127,639.14 and 50,050.42

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Solution

The fourth proportional to 92,491.88, 127,639.14 and 50,050.42 is: 69,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.88 : 127,639.14 = 50,050.42 : x
  2. Step 2: Convert to fraction form
    92,491.88/127,639.14 = 50,050.42/x
  3. Step 3: Cross multiply
    92,491.88x = 127,639.14 × 50,050.42
  4. Step 4: Simplify right side
    92,491.88x = 6,388,392,565.44
  5. Step 5: Solve for x
    x = 6,388,392,565.44/92,491.88
  6. Step 6: Final answer
    x = 69,069.77

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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.