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Finding the Fourth Proportional to 92,611.64, 138,915.54 and 22,491.32

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Solution

The fourth proportional to 92,611.64, 138,915.54 and 22,491.32 is: 33,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,611.64 : 138,915.54 = 22,491.32 : x
  2. Step 2: Convert to fraction form
    92,611.64/138,915.54 = 22,491.32/x
  3. Step 3: Cross multiply
    92,611.64x = 138,915.54 × 22,491.32
  4. Step 4: Simplify right side
    92,611.64x = 3,124,393,863.11
  5. Step 5: Solve for x
    x = 3,124,393,863.11/92,611.64
  6. Step 6: Final answer
    x = 33,736.51

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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.