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Finding the Fourth Proportional to 267,120.98, 368,636.88 and 152,418.30

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Solution

The fourth proportional to 267,120.98, 368,636.88 and 152,418.30 is: 210,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,120.98 : 368,636.88 = 152,418.30 : x
  2. Step 2: Convert to fraction form
    267,120.98/368,636.88 = 152,418.30/x
  3. Step 3: Cross multiply
    267,120.98x = 368,636.88 × 152,418.30
  4. Step 4: Simplify right side
    267,120.98x = 56,187,004,723.72
  5. Step 5: Solve for x
    x = 56,187,004,723.72/267,120.98
  6. Step 6: Final answer
    x = 210,342.91

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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.