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Finding the Fourth Proportional to 201,473.20, 301,845.30 and 159,628.60

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Solution

The fourth proportional to 201,473.20, 301,845.30 and 159,628.60 is: 239,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,473.20 : 301,845.30 = 159,628.60 : x
  2. Step 2: Convert to fraction form
    201,473.20/301,845.30 = 159,628.60/x
  3. Step 3: Cross multiply
    201,473.20x = 301,845.30 × 159,628.60
  4. Step 4: Simplify right side
    201,473.20x = 48,183,142,655.58
  5. Step 5: Solve for x
    x = 48,183,142,655.58/201,473.20
  6. Step 6: Final answer
    x = 239,154.10

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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.