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Finding the Fourth Proportional to 109,920.26, 164,769.60 and 43,334.60

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Solution

The fourth proportional to 109,920.26, 164,769.60 and 43,334.60 is: 64,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.26 : 164,769.60 = 43,334.60 : x
  2. Step 2: Convert to fraction form
    109,920.26/164,769.60 = 43,334.60/x
  3. Step 3: Cross multiply
    109,920.26x = 164,769.60 × 43,334.60
  4. Step 4: Simplify right side
    109,920.26x = 7,140,224,708.16
  5. Step 5: Solve for x
    x = 7,140,224,708.16/109,920.26
  6. Step 6: Final answer
    x = 64,958.22

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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.