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Finding the Fourth Proportional to 92,980.54, 139,392.42 and 40,350.37

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Solution

The fourth proportional to 92,980.54, 139,392.42 and 40,350.37 is: 60,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,980.54 : 139,392.42 = 40,350.37 : x
  2. Step 2: Convert to fraction form
    92,980.54/139,392.42 = 40,350.37/x
  3. Step 3: Cross multiply
    92,980.54x = 139,392.42 × 40,350.37
  4. Step 4: Simplify right side
    92,980.54x = 5,624,535,722.20
  5. Step 5: Solve for x
    x = 5,624,535,722.20/92,980.54
  6. Step 6: Final answer
    x = 60,491.54

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1.5x scale

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.