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Finding the Fourth Proportional to 222,005.78, 332,980.98 and 130,873.49

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Solution

The fourth proportional to 222,005.78, 332,980.98 and 130,873.49 is: 196,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,005.78 : 332,980.98 = 130,873.49 : x
  2. Step 2: Convert to fraction form
    222,005.78/332,980.98 = 130,873.49/x
  3. Step 3: Cross multiply
    222,005.78x = 332,980.98 × 130,873.49
  4. Step 4: Simplify right side
    222,005.78x = 43,578,381,291.32
  5. Step 5: Solve for x
    x = 43,578,381,291.32/222,005.78
  6. Step 6: Final answer
    x = 196,293.91

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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.