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Finding the Fourth Proportional to 92,114.01, 138,236.63 and 39,538.53

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Solution

The fourth proportional to 92,114.01, 138,236.63 and 39,538.53 is: 59,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,114.01 : 138,236.63 = 39,538.53 : x
  2. Step 2: Convert to fraction form
    92,114.01/138,236.63 = 39,538.53/x
  3. Step 3: Cross multiply
    92,114.01x = 138,236.63 × 39,538.53
  4. Step 4: Simplify right side
    92,114.01x = 5,465,672,944.66
  5. Step 5: Solve for x
    x = 5,465,672,944.66/92,114.01
  6. Step 6: Final answer
    x = 59,335.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.