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Finding the Fourth Proportional to 201,873.60, 302,664.60 and 113,154.30

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Solution

The fourth proportional to 201,873.60, 302,664.60 and 113,154.30 is: 169,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,873.60 : 302,664.60 = 113,154.30 : x
  2. Step 2: Convert to fraction form
    201,873.60/302,664.60 = 113,154.30/x
  3. Step 3: Cross multiply
    201,873.60x = 302,664.60 × 113,154.30
  4. Step 4: Simplify right side
    201,873.60x = 34,247,800,947.78
  5. Step 5: Solve for x
    x = 34,247,800,947.78/201,873.60
  6. Step 6: Final answer
    x = 169,649.73

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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.