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Finding the Fourth Proportional to 92,658.42, 127,868.31 and 50,217.03

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Solution

The fourth proportional to 92,658.42, 127,868.31 and 50,217.03 is: 69,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658.42 : 127,868.31 = 50,217.03 : x
  2. Step 2: Convert to fraction form
    92,658.42/127,868.31 = 50,217.03/x
  3. Step 3: Cross multiply
    92,658.42x = 127,868.31 × 50,217.03
  4. Step 4: Simplify right side
    92,658.42x = 6,421,166,759.32
  5. Step 5: Solve for x
    x = 6,421,166,759.32/92,658.42
  6. Step 6: Final answer
    x = 69,299.33

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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.