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Finding the Fourth Proportional to 224,245.92, 336,458.64 and 91,136.40

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Solution

The fourth proportional to 224,245.92, 336,458.64 and 91,136.40 is: 136,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,245.92 : 336,458.64 = 91,136.40 : x
  2. Step 2: Convert to fraction form
    224,245.92/336,458.64 = 91,136.40/x
  3. Step 3: Cross multiply
    224,245.92x = 336,458.64 × 91,136.40
  4. Step 4: Simplify right side
    224,245.92x = 30,663,629,198.50
  5. Step 5: Solve for x
    x = 30,663,629,198.50/224,245.92
  6. Step 6: Final answer
    x = 136,741.08

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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.