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Finding the Fourth Proportional to 92,046.48, 138,098.70 and 32,880.84

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Solution

The fourth proportional to 92,046.48, 138,098.70 and 32,880.84 is: 49,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,046.48 : 138,098.70 = 32,880.84 : x
  2. Step 2: Convert to fraction form
    92,046.48/138,098.70 = 32,880.84/x
  3. Step 3: Cross multiply
    92,046.48x = 138,098.70 × 32,880.84
  4. Step 4: Simplify right side
    92,046.48x = 4,540,801,258.91
  5. Step 5: Solve for x
    x = 4,540,801,258.91/92,046.48
  6. Step 6: Final answer
    x = 49,331.61

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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.