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Finding the Fourth Proportional to 92,058.56, 138,076.32 and 36,693.44

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Solution

The fourth proportional to 92,058.56, 138,076.32 and 36,693.44 is: 55,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,058.56 : 138,076.32 = 36,693.44 : x
  2. Step 2: Convert to fraction form
    92,058.56/138,076.32 = 36,693.44/x
  3. Step 3: Cross multiply
    92,058.56x = 138,076.32 × 36,693.44
  4. Step 4: Simplify right side
    92,058.56x = 5,066,495,163.34
  5. Step 5: Solve for x
    x = 5,066,495,163.34/92,058.56
  6. Step 6: Final answer
    x = 55,035.57

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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.