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Finding the Fourth Proportional to 222,811.74, 334,228.56 and 72,991.32

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Solution

The fourth proportional to 222,811.74, 334,228.56 and 72,991.32 is: 109,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,811.74 : 334,228.56 = 72,991.32 : x
  2. Step 2: Convert to fraction form
    222,811.74/334,228.56 = 72,991.32/x
  3. Step 3: Cross multiply
    222,811.74x = 334,228.56 × 72,991.32
  4. Step 4: Simplify right side
    222,811.74x = 24,395,783,776.10
  5. Step 5: Solve for x
    x = 24,395,783,776.10/222,811.74
  6. Step 6: Final answer
    x = 109,490.57

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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.