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Finding the Fourth Proportional to 222,230.84, 306,670.74 and 126,768.04

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Solution

The fourth proportional to 222,230.84, 306,670.74 and 126,768.04 is: 174,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,230.84 : 306,670.74 = 126,768.04 : x
  2. Step 2: Convert to fraction form
    222,230.84/306,670.74 = 126,768.04/x
  3. Step 3: Cross multiply
    222,230.84x = 306,670.74 × 126,768.04
  4. Step 4: Simplify right side
    222,230.84x = 38,876,048,635.15
  5. Step 5: Solve for x
    x = 38,876,048,635.15/222,230.84
  6. Step 6: Final answer
    x = 174,935.43

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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.