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Finding the Fourth Proportional to 92,658.35, 127,868.74 and 50,216.87

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Solution

The fourth proportional to 92,658.35, 127,868.74 and 50,216.87 is: 69,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658.35 : 127,868.74 = 50,216.87 : x
  2. Step 2: Convert to fraction form
    92,658.35/127,868.74 = 50,216.87/x
  3. Step 3: Cross multiply
    92,658.35x = 127,868.74 × 50,216.87
  4. Step 4: Simplify right side
    92,658.35x = 6,421,167,128.76
  5. Step 5: Solve for x
    x = 6,421,167,128.76/92,658.35
  6. Step 6: Final answer
    x = 69,299.39

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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.