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Finding the Fourth Proportional to 92,949.44, 128,266.07 and 52,660.85

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Solution

The fourth proportional to 92,949.44, 128,266.07 and 52,660.85 is: 72,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.44 : 128,266.07 = 52,660.85 : x
  2. Step 2: Convert to fraction form
    92,949.44/128,266.07 = 52,660.85/x
  3. Step 3: Cross multiply
    92,949.44x = 128,266.07 × 52,660.85
  4. Step 4: Simplify right side
    92,949.44x = 6,754,599,367.72
  5. Step 5: Solve for x
    x = 6,754,599,367.72/92,949.44
  6. Step 6: Final answer
    x = 72,669.61

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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.