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Finding the Fourth Proportional to 92,167.12, 127,190.88 and 51,881.50

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Solution

The fourth proportional to 92,167.12, 127,190.88 and 51,881.50 is: 71,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,167.12 : 127,190.88 = 51,881.50 : x
  2. Step 2: Convert to fraction form
    92,167.12/127,190.88 = 51,881.50/x
  3. Step 3: Cross multiply
    92,167.12x = 127,190.88 × 51,881.50
  4. Step 4: Simplify right side
    92,167.12x = 6,598,853,640.72
  5. Step 5: Solve for x
    x = 6,598,853,640.72/92,167.12
  6. Step 6: Final answer
    x = 71,596.61

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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.