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Finding the Fourth Proportional to 267,665.45, 369,391.85 and 146,817.98

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Solution

The fourth proportional to 267,665.45, 369,391.85 and 146,817.98 is: 202,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,665.45 : 369,391.85 = 146,817.98 : x
  2. Step 2: Convert to fraction form
    267,665.45/369,391.85 = 146,817.98/x
  3. Step 3: Cross multiply
    267,665.45x = 369,391.85 × 146,817.98
  4. Step 4: Simplify right side
    267,665.45x = 54,233,363,765.55
  5. Step 5: Solve for x
    x = 54,233,363,765.55/267,665.45
  6. Step 6: Final answer
    x = 202,616.23

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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.