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Finding the Fourth Proportional to 267,363.74, 401,070.35 and 87,450.18

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Solution

The fourth proportional to 267,363.74, 401,070.35 and 87,450.18 is: 131,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,363.74 : 401,070.35 = 87,450.18 : x
  2. Step 2: Convert to fraction form
    267,363.74/401,070.35 = 87,450.18/x
  3. Step 3: Cross multiply
    267,363.74x = 401,070.35 × 87,450.18
  4. Step 4: Simplify right side
    267,363.74x = 35,073,673,862.91
  5. Step 5: Solve for x
    x = 35,073,673,862.91/267,363.74
  6. Step 6: Final answer
    x = 131,183.36

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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.