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Finding the Fourth Proportional to 267,366.74, 401,074.85 and 87,453.18

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Solution

The fourth proportional to 267,366.74, 401,074.85 and 87,453.18 is: 131,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,366.74 : 401,074.85 = 87,453.18 : x
  2. Step 2: Convert to fraction form
    267,366.74/401,074.85 = 87,453.18/x
  3. Step 3: Cross multiply
    267,366.74x = 401,074.85 × 87,453.18
  4. Step 4: Simplify right side
    267,366.74x = 35,075,270,613.26
  5. Step 5: Solve for x
    x = 35,075,270,613.26/267,366.74
  6. Step 6: Final answer
    x = 131,187.86

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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.