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Finding the Fourth Proportional to 267,461.88, 369,135.25 and 165,520.18

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Solution

The fourth proportional to 267,461.88, 369,135.25 and 165,520.18 is: 228,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,461.88 : 369,135.25 = 165,520.18 : x
  2. Step 2: Convert to fraction form
    267,461.88/369,135.25 = 165,520.18/x
  3. Step 3: Cross multiply
    267,461.88x = 369,135.25 × 165,520.18
  4. Step 4: Simplify right side
    267,461.88x = 61,099,333,024.35
  5. Step 5: Solve for x
    x = 61,099,333,024.35/267,461.88
  6. Step 6: Final answer
    x = 228,441.28

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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.