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Finding the Fourth Proportional to 92,086.18, 127,090.17 and 51,801.64

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Solution

The fourth proportional to 92,086.18, 127,090.17 and 51,801.64 is: 71,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,086.18 : 127,090.17 = 51,801.64 : x
  2. Step 2: Convert to fraction form
    92,086.18/127,090.17 = 51,801.64/x
  3. Step 3: Cross multiply
    92,086.18x = 127,090.17 × 51,801.64
  4. Step 4: Simplify right side
    92,086.18x = 6,583,479,233.88
  5. Step 5: Solve for x
    x = 6,583,479,233.88/92,086.18
  6. Step 6: Final answer
    x = 71,492.59

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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.