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Finding the Fourth Proportional to 215,842.60, 323,634.30 and 110,866.60

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Solution

The fourth proportional to 215,842.60, 323,634.30 and 110,866.60 is: 166,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.60 : 323,634.30 = 110,866.60 : x
  2. Step 2: Convert to fraction form
    215,842.60/323,634.30 = 110,866.60/x
  3. Step 3: Cross multiply
    215,842.60x = 323,634.30 × 110,866.60
  4. Step 4: Simplify right side
    215,842.60x = 35,880,234,484.38
  5. Step 5: Solve for x
    x = 35,880,234,484.38/215,842.60
  6. Step 6: Final answer
    x = 166,233.33

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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.