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Finding the Fourth Proportional to 92,593.94, 138,869.34 and 26,040.49

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Solution

The fourth proportional to 92,593.94, 138,869.34 and 26,040.49 is: 39,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,593.94 : 138,869.34 = 26,040.49 : x
  2. Step 2: Convert to fraction form
    92,593.94/138,869.34 = 26,040.49/x
  3. Step 3: Cross multiply
    92,593.94x = 138,869.34 × 26,040.49
  4. Step 4: Simplify right side
    92,593.94x = 3,616,225,214.75
  5. Step 5: Solve for x
    x = 3,616,225,214.75/92,593.94
  6. Step 6: Final answer
    x = 39,054.67

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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.