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Finding the Fourth Proportional to 169,863.60, 254,794.68 and 43,503.60

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Solution

The fourth proportional to 169,863.60, 254,794.68 and 43,503.60 is: 65,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.60 : 254,794.68 = 43,503.60 : x
  2. Step 2: Convert to fraction form
    169,863.60/254,794.68 = 43,503.60/x
  3. Step 3: Cross multiply
    169,863.60x = 254,794.68 × 43,503.60
  4. Step 4: Simplify right side
    169,863.60x = 11,084,485,840.85
  5. Step 5: Solve for x
    x = 11,084,485,840.85/169,863.60
  6. Step 6: Final answer
    x = 65,255.22

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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.