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Finding the Fourth Proportional to 92,737.35, 127,978.11 and 50,295.78

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Solution

The fourth proportional to 92,737.35, 127,978.11 and 50,295.78 is: 69,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,737.35 : 127,978.11 = 50,295.78 : x
  2. Step 2: Convert to fraction form
    92,737.35/127,978.11 = 50,295.78/x
  3. Step 3: Cross multiply
    92,737.35x = 127,978.11 × 50,295.78
  4. Step 4: Simplify right side
    92,737.35x = 6,436,758,865.38
  5. Step 5: Solve for x
    x = 6,436,758,865.38/92,737.35
  6. Step 6: Final answer
    x = 69,408.48

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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.