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Finding the Fourth Proportional to 267,198.21, 368,719.74 and 146,316.14

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Solution

The fourth proportional to 267,198.21, 368,719.74 and 146,316.14 is: 201,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,198.21 : 368,719.74 = 146,316.14 : x
  2. Step 2: Convert to fraction form
    267,198.21/368,719.74 = 146,316.14/x
  3. Step 3: Cross multiply
    267,198.21x = 368,719.74 × 146,316.14
  4. Step 4: Simplify right side
    267,198.21x = 53,949,648,608.89
  5. Step 5: Solve for x
    x = 53,949,648,608.89/267,198.21
  6. Step 6: Final answer
    x = 201,908.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.