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Finding the Fourth Proportional to 267,186.20, 368,721.11 and 146,325.29

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Solution

The fourth proportional to 267,186.20, 368,721.11 and 146,325.29 is: 201,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,186.20 : 368,721.11 = 146,325.29 : x
  2. Step 2: Convert to fraction form
    267,186.20/368,721.11 = 146,325.29/x
  3. Step 3: Cross multiply
    267,186.20x = 368,721.11 × 146,325.29
  4. Step 4: Simplify right side
    267,186.20x = 53,953,221,872.08
  5. Step 5: Solve for x
    x = 53,953,221,872.08/267,186.20
  6. Step 6: Final answer
    x = 201,931.17

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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.