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Finding the Fourth Proportional to 92,665, 127,876.98 and 50,222.44

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Solution

The fourth proportional to 92,665, 127,876.98 and 50,222.44 is: 69,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,665 : 127,876.98 = 50,222.44 : x
  2. Step 2: Convert to fraction form
    92,665/127,876.98 = 50,222.44/x
  3. Step 3: Cross multiply
    92,665x = 127,876.98 × 50,222.44
  4. Step 4: Simplify right side
    92,665x = 6,422,293,955.43
  5. Step 5: Solve for x
    x = 6,422,293,955.43/92,665
  6. Step 6: Final answer
    x = 69,306.58

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1.5x scale

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.