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Finding the Fourth Proportional to 92,861.80, 139,290.03 and 26,301.80

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Solution

The fourth proportional to 92,861.80, 139,290.03 and 26,301.80 is: 39,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,861.80 : 139,290.03 = 26,301.80 : x
  2. Step 2: Convert to fraction form
    92,861.80/139,290.03 = 26,301.80/x
  3. Step 3: Cross multiply
    92,861.80x = 139,290.03 × 26,301.80
  4. Step 4: Simplify right side
    92,861.80x = 3,663,578,859.28
  5. Step 5: Solve for x
    x = 3,663,578,859.28/92,861.80
  6. Step 6: Final answer
    x = 39,451.95

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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.