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Finding the Fourth Proportional to 92,087.35, 127,079.38 and 51,801.39

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Solution

The fourth proportional to 92,087.35, 127,079.38 and 51,801.39 is: 71,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,087.35 : 127,079.38 = 51,801.39 : x
  2. Step 2: Convert to fraction form
    92,087.35/127,079.38 = 51,801.39/x
  3. Step 3: Cross multiply
    92,087.35x = 127,079.38 × 51,801.39
  4. Step 4: Simplify right side
    92,087.35x = 6,582,888,589.09
  5. Step 5: Solve for x
    x = 6,582,888,589.09/92,087.35
  6. Step 6: Final answer
    x = 71,485.27

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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.