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Finding the Fourth Proportional to 267,675.35, 401,540.70 and 90,196.20

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Solution

The fourth proportional to 267,675.35, 401,540.70 and 90,196.20 is: 135,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,675.35 : 401,540.70 = 90,196.20 : x
  2. Step 2: Convert to fraction form
    267,675.35/401,540.70 = 90,196.20/x
  3. Step 3: Cross multiply
    267,675.35x = 401,540.70 × 90,196.20
  4. Step 4: Simplify right side
    267,675.35x = 36,217,443,234.00
  5. Step 5: Solve for x
    x = 36,217,443,234.00/267,675.35
  6. Step 6: Final answer
    x = 135,303.62

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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.