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Finding the Fourth Proportional to 267,367.74, 401,076.35 and 87,454.18

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Solution

The fourth proportional to 267,367.74, 401,076.35 and 87,454.18 is: 131,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,367.74 : 401,076.35 = 87,454.18 : x
  2. Step 2: Convert to fraction form
    267,367.74/401,076.35 = 87,454.18/x
  3. Step 3: Cross multiply
    267,367.74x = 401,076.35 × 87,454.18
  4. Step 4: Simplify right side
    267,367.74x = 35,075,803,306.64
  5. Step 5: Solve for x
    x = 35,075,803,306.64/267,367.74
  6. Step 6: Final answer
    x = 131,189.36

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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.