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Finding the Fourth Proportional to 267,400.60, 401,100.90 and 109,742.20

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Solution

The fourth proportional to 267,400.60, 401,100.90 and 109,742.20 is: 164,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,400.60 : 401,100.90 = 109,742.20 : x
  2. Step 2: Convert to fraction form
    267,400.60/401,100.90 = 109,742.20/x
  3. Step 3: Cross multiply
    267,400.60x = 401,100.90 × 109,742.20
  4. Step 4: Simplify right side
    267,400.60x = 44,017,695,187.98
  5. Step 5: Solve for x
    x = 44,017,695,187.98/267,400.60
  6. Step 6: Final answer
    x = 164,613.30

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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.