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Finding the Fourth Proportional to 92,980.55, 139,471.81 and 36,834.33

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Solution

The fourth proportional to 92,980.55, 139,471.81 and 36,834.33 is: 55,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,980.55 : 139,471.81 = 36,834.33 : x
  2. Step 2: Convert to fraction form
    92,980.55/139,471.81 = 36,834.33/x
  3. Step 3: Cross multiply
    92,980.55x = 139,471.81 × 36,834.33
  4. Step 4: Simplify right side
    92,980.55x = 5,137,350,675.24
  5. Step 5: Solve for x
    x = 5,137,350,675.24/92,980.55
  6. Step 6: Final answer
    x = 55,251.89

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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.