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Finding the Fourth Proportional to 267,321.01, 401,071.04 and 87,414.74

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Solution

The fourth proportional to 267,321.01, 401,071.04 and 87,414.74 is: 131,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,321.01 : 401,071.04 = 87,414.74 : x
  2. Step 2: Convert to fraction form
    267,321.01/401,071.04 = 87,414.74/x
  3. Step 3: Cross multiply
    267,321.01x = 401,071.04 × 87,414.74
  4. Step 4: Simplify right side
    267,321.01x = 35,059,520,683.13
  5. Step 5: Solve for x
    x = 35,059,520,683.13/267,321.01
  6. Step 6: Final answer
    x = 131,151.38

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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.