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Finding the Fourth Proportional to 221,099.08, 331,647.36 and 63,327.58

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Solution

The fourth proportional to 221,099.08, 331,647.36 and 63,327.58 is: 94,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,099.08 : 331,647.36 = 63,327.58 : x
  2. Step 2: Convert to fraction form
    221,099.08/331,647.36 = 63,327.58/x
  3. Step 3: Cross multiply
    221,099.08x = 331,647.36 × 63,327.58
  4. Step 4: Simplify right side
    221,099.08x = 21,002,424,722.19
  5. Step 5: Solve for x
    x = 21,002,424,722.19/221,099.08
  6. Step 6: Final answer
    x = 94,991.01

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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.