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Finding the Fourth Proportional to 224,181.98, 336,199.17 and 81,994.94

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Solution

The fourth proportional to 224,181.98, 336,199.17 and 81,994.94 is: 122,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,181.98 : 336,199.17 = 81,994.94 : x
  2. Step 2: Convert to fraction form
    224,181.98/336,199.17 = 81,994.94/x
  3. Step 3: Cross multiply
    224,181.98x = 336,199.17 × 81,994.94
  4. Step 4: Simplify right side
    224,181.98x = 27,566,630,772.20
  5. Step 5: Solve for x
    x = 27,566,630,772.20/224,181.98
  6. Step 6: Final answer
    x = 122,965.42

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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.