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Finding the Fourth Proportional to 231,532.67, 347,323.91 and 73,724.21

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Solution

The fourth proportional to 231,532.67, 347,323.91 and 73,724.21 is: 110,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,532.67 : 347,323.91 = 73,724.21 : x
  2. Step 2: Convert to fraction form
    231,532.67/347,323.91 = 73,724.21/x
  3. Step 3: Cross multiply
    231,532.67x = 347,323.91 × 73,724.21
  4. Step 4: Simplify right side
    231,532.67x = 25,606,180,878.86
  5. Step 5: Solve for x
    x = 25,606,180,878.86/231,532.67
  6. Step 6: Final answer
    x = 110,594.25

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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.