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Finding the Fourth Proportional to 220,199.58, 303,873.75 and 119,598.30

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Solution

The fourth proportional to 220,199.58, 303,873.75 and 119,598.30 is: 165,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,199.58 : 303,873.75 = 119,598.30 : x
  2. Step 2: Convert to fraction form
    220,199.58/303,873.75 = 119,598.30/x
  3. Step 3: Cross multiply
    220,199.58x = 303,873.75 × 119,598.30
  4. Step 4: Simplify right side
    220,199.58x = 36,342,783,914.63
  5. Step 5: Solve for x
    x = 36,342,783,914.63/220,199.58
  6. Step 6: Final answer
    x = 165,044.75

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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.