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Finding the Fourth Proportional to 267,235.64, 368,821.87 and 163,851.55

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Solution

The fourth proportional to 267,235.64, 368,821.87 and 163,851.55 is: 226,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,235.64 : 368,821.87 = 163,851.55 : x
  2. Step 2: Convert to fraction form
    267,235.64/368,821.87 = 163,851.55/x
  3. Step 3: Cross multiply
    267,235.64x = 368,821.87 × 163,851.55
  4. Step 4: Simplify right side
    267,235.64x = 60,432,035,073.40
  5. Step 5: Solve for x
    x = 60,432,035,073.40/267,235.64
  6. Step 6: Final answer
    x = 226,137.63

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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.