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Finding the Fourth Proportional to 221,297.46, 331,946.28 and 94,855.56

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Solution

The fourth proportional to 221,297.46, 331,946.28 and 94,855.56 is: 142,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,297.46 : 331,946.28 = 94,855.56 : x
  2. Step 2: Convert to fraction form
    221,297.46/331,946.28 = 94,855.56/x
  3. Step 3: Cross multiply
    221,297.46x = 331,946.28 × 94,855.56
  4. Step 4: Simplify right side
    221,297.46x = 31,486,950,279.32
  5. Step 5: Solve for x
    x = 31,486,950,279.32/221,297.46
  6. Step 6: Final answer
    x = 142,283.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.