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Finding the Fourth Proportional to 92,658.42, 127,868.60 and 50,216.96

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Solution

The fourth proportional to 92,658.42, 127,868.60 and 50,216.96 is: 69,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658.42 : 127,868.60 = 50,216.96 : x
  2. Step 2: Convert to fraction form
    92,658.42/127,868.60 = 50,216.96/x
  3. Step 3: Cross multiply
    92,658.42x = 127,868.60 × 50,216.96
  4. Step 4: Simplify right side
    92,658.42x = 6,421,171,481.03
  5. Step 5: Solve for x
    x = 6,421,171,481.03/92,658.42
  6. Step 6: Final answer
    x = 69,299.38

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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.