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Finding the Fourth Proportional to 92,580.66, 138,842.15 and 33,408.63

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Solution

The fourth proportional to 92,580.66, 138,842.15 and 33,408.63 is: 50,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,580.66 : 138,842.15 = 33,408.63 : x
  2. Step 2: Convert to fraction form
    92,580.66/138,842.15 = 33,408.63/x
  3. Step 3: Cross multiply
    92,580.66x = 138,842.15 × 33,408.63
  4. Step 4: Simplify right side
    92,580.66x = 4,638,525,850.71
  5. Step 5: Solve for x
    x = 4,638,525,850.71/92,580.66
  6. Step 6: Final answer
    x = 50,102.54

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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.