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Finding the Fourth Proportional to 267,419.70, 401,032.35 and 134,255.70

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Solution

The fourth proportional to 267,419.70, 401,032.35 and 134,255.70 is: 201,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,419.70 : 401,032.35 = 134,255.70 : x
  2. Step 2: Convert to fraction form
    267,419.70/401,032.35 = 134,255.70/x
  3. Step 3: Cross multiply
    267,419.70x = 401,032.35 × 134,255.70
  4. Step 4: Simplify right side
    267,419.70x = 53,840,878,871.90
  5. Step 5: Solve for x
    x = 53,840,878,871.90/267,419.70
  6. Step 6: Final answer
    x = 201,334.75

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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.