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Finding the Fourth Proportional to 201,908.90, 302,523.15 and 159,626.90

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Solution

The fourth proportional to 201,908.90, 302,523.15 and 159,626.90 is: 239,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,908.90 : 302,523.15 = 159,626.90 : x
  2. Step 2: Convert to fraction form
    201,908.90/302,523.15 = 159,626.90/x
  3. Step 3: Cross multiply
    201,908.90x = 302,523.15 × 159,626.90
  4. Step 4: Simplify right side
    201,908.90x = 48,290,832,612.74
  5. Step 5: Solve for x
    x = 48,290,832,612.74/201,908.90
  6. Step 6: Final answer
    x = 239,171.39

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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.