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Finding the Fourth Proportional to 224,763.16, 337,212.39 and 66,991.60

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Solution

The fourth proportional to 224,763.16, 337,212.39 and 66,991.60 is: 100,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,763.16 : 337,212.39 = 66,991.60 : x
  2. Step 2: Convert to fraction form
    224,763.16/337,212.39 = 66,991.60/x
  3. Step 3: Cross multiply
    224,763.16x = 337,212.39 × 66,991.60
  4. Step 4: Simplify right side
    224,763.16x = 22,590,395,859.86
  5. Step 5: Solve for x
    x = 22,590,395,859.86/224,763.16
  6. Step 6: Final answer
    x = 100,507.56

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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.