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Finding the Fourth Proportional to 267,143.63, 368,658.20 and 147,911.63

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Solution

The fourth proportional to 267,143.63, 368,658.20 and 147,911.63 is: 204,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,143.63 : 368,658.20 = 147,911.63 : x
  2. Step 2: Convert to fraction form
    267,143.63/368,658.20 = 147,911.63/x
  3. Step 3: Cross multiply
    267,143.63x = 368,658.20 × 147,911.63
  4. Step 4: Simplify right side
    267,143.63x = 54,528,833,801.35
  5. Step 5: Solve for x
    x = 54,528,833,801.35/267,143.63
  6. Step 6: Final answer
    x = 204,118.04

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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.