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Finding the Fourth Proportional to 222,968.75, 307,696.88 and 133,544.75

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Solution

The fourth proportional to 222,968.75, 307,696.88 and 133,544.75 is: 184,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,968.75 : 307,696.88 = 133,544.75 : x
  2. Step 2: Convert to fraction form
    222,968.75/307,696.88 = 133,544.75/x
  3. Step 3: Cross multiply
    222,968.75x = 307,696.88 × 133,544.75
  4. Step 4: Simplify right side
    222,968.75x = 41,091,302,915.38
  5. Step 5: Solve for x
    x = 41,091,302,915.38/222,968.75
  6. Step 6: Final answer
    x = 184,291.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.