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Finding the Fourth Proportional to 208,361.24, 312,550.52 and 60,617.24

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Solution

The fourth proportional to 208,361.24, 312,550.52 and 60,617.24 is: 90,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,361.24 : 312,550.52 = 60,617.24 : x
  2. Step 2: Convert to fraction form
    208,361.24/312,550.52 = 60,617.24/x
  3. Step 3: Cross multiply
    208,361.24x = 312,550.52 × 60,617.24
  4. Step 4: Simplify right side
    208,361.24x = 18,945,949,882.96
  5. Step 5: Solve for x
    x = 18,945,949,882.96/208,361.24
  6. Step 6: Final answer
    x = 90,928.38

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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.