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Finding the Fourth Proportional to 92,113.74, 138,170.84 and 25,557.44

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Solution

The fourth proportional to 92,113.74, 138,170.84 and 25,557.44 is: 38,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,113.74 : 138,170.84 = 25,557.44 : x
  2. Step 2: Convert to fraction form
    92,113.74/138,170.84 = 25,557.44/x
  3. Step 3: Cross multiply
    92,113.74x = 138,170.84 × 25,557.44
  4. Step 4: Simplify right side
    92,113.74x = 3,531,292,134.41
  5. Step 5: Solve for x
    x = 3,531,292,134.41/92,113.74
  6. Step 6: Final answer
    x = 38,336.21

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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.