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Finding the Fourth Proportional to 92,666, 127,878.36 and 50,223.44

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Solution

The fourth proportional to 92,666, 127,878.36 and 50,223.44 is: 69,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,666 : 127,878.36 = 50,223.44 : x
  2. Step 2: Convert to fraction form
    92,666/127,878.36 = 50,223.44/x
  3. Step 3: Cross multiply
    92,666x = 127,878.36 × 50,223.44
  4. Step 4: Simplify right side
    92,666x = 6,422,491,140.76
  5. Step 5: Solve for x
    x = 6,422,491,140.76/92,666
  6. Step 6: Final answer
    x = 69,307.96

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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.