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Finding the Fourth Proportional to 201,523.60, 302,518.20 and 108,211.60

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Solution

The fourth proportional to 201,523.60, 302,518.20 and 108,211.60 is: 162,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,523.60 : 302,518.20 = 108,211.60 : x
  2. Step 2: Convert to fraction form
    201,523.60/302,518.20 = 108,211.60/x
  3. Step 3: Cross multiply
    201,523.60x = 302,518.20 × 108,211.60
  4. Step 4: Simplify right side
    201,523.60x = 32,735,978,451.12
  5. Step 5: Solve for x
    x = 32,735,978,451.12/201,523.60
  6. Step 6: Final answer
    x = 162,442.41

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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.