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Finding the Fourth Proportional to 92,144.52, 127,157.90 and 51,858.23

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Solution

The fourth proportional to 92,144.52, 127,157.90 and 51,858.23 is: 71,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.52 : 127,157.90 = 51,858.23 : x
  2. Step 2: Convert to fraction form
    92,144.52/127,157.90 = 51,858.23/x
  3. Step 3: Cross multiply
    92,144.52x = 127,157.90 × 51,858.23
  4. Step 4: Simplify right side
    92,144.52x = 6,594,182,729.44
  5. Step 5: Solve for x
    x = 6,594,182,729.44/92,144.52
  6. Step 6: Final answer
    x = 71,563.48

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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.