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Finding the Fourth Proportional to 188,481.60, 260,096.40 and 103,593.60

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Solution

The fourth proportional to 188,481.60, 260,096.40 and 103,593.60 is: 142,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,481.60 : 260,096.40 = 103,593.60 : x
  2. Step 2: Convert to fraction form
    188,481.60/260,096.40 = 103,593.60/x
  3. Step 3: Cross multiply
    188,481.60x = 260,096.40 × 103,593.60
  4. Step 4: Simplify right side
    188,481.60x = 26,944,322,423.04
  5. Step 5: Solve for x
    x = 26,944,322,423.04/188,481.60
  6. Step 6: Final answer
    x = 142,954.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.