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Finding the Fourth Proportional to 92,137, 127,149.60 and 51,851.44

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Solution

The fourth proportional to 92,137, 127,149.60 and 51,851.44 is: 71,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,137 : 127,149.60 = 51,851.44 : x
  2. Step 2: Convert to fraction form
    92,137/127,149.60 = 51,851.44/x
  3. Step 3: Cross multiply
    92,137x = 127,149.60 × 51,851.44
  4. Step 4: Simplify right side
    92,137x = 6,592,889,855.42
  5. Step 5: Solve for x
    x = 6,592,889,855.42/92,137
  6. Step 6: Final answer
    x = 71,555.29

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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.