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Finding the Fourth Proportional to 267,420.20, 401,033.10 and 134,256.20

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Solution

The fourth proportional to 267,420.20, 401,033.10 and 134,256.20 is: 201,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,420.20 : 401,033.10 = 134,256.20 : x
  2. Step 2: Convert to fraction form
    267,420.20/401,033.10 = 134,256.20/x
  3. Step 3: Cross multiply
    267,420.20x = 401,033.10 × 134,256.20
  4. Step 4: Simplify right side
    267,420.20x = 53,841,180,080.22
  5. Step 5: Solve for x
    x = 53,841,180,080.22/267,420.20
  6. Step 6: Final answer
    x = 201,335.50

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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.