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Finding the Fourth Proportional to 92,103.57, 138,160.22 and 29,778.93

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Solution

The fourth proportional to 92,103.57, 138,160.22 and 29,778.93 is: 44,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,103.57 : 138,160.22 = 29,778.93 : x
  2. Step 2: Convert to fraction form
    92,103.57/138,160.22 = 29,778.93/x
  3. Step 3: Cross multiply
    92,103.57x = 138,160.22 × 29,778.93
  4. Step 4: Simplify right side
    92,103.57x = 4,114,263,371.27
  5. Step 5: Solve for x
    x = 4,114,263,371.27/92,103.57
  6. Step 6: Final answer
    x = 44,669.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.