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Finding the Fourth Proportional to 92,611.92, 138,917.88 and 22,490.76

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Solution

The fourth proportional to 92,611.92, 138,917.88 and 22,490.76 is: 33,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,611.92 : 138,917.88 = 22,490.76 : x
  2. Step 2: Convert to fraction form
    92,611.92/138,917.88 = 22,490.76/x
  3. Step 3: Cross multiply
    92,611.92x = 138,917.88 × 22,490.76
  4. Step 4: Simplify right side
    92,611.92x = 3,124,368,698.79
  5. Step 5: Solve for x
    x = 3,124,368,698.79/92,611.92
  6. Step 6: Final answer
    x = 33,736.14

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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.