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Finding the Fourth Proportional to 222,063.58, 306,477.39 and 125,287.30

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Solution

The fourth proportional to 222,063.58, 306,477.39 and 125,287.30 is: 172,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,063.58 : 306,477.39 = 125,287.30 : x
  2. Step 2: Convert to fraction form
    222,063.58/306,477.39 = 125,287.30/x
  3. Step 3: Cross multiply
    222,063.58x = 306,477.39 × 125,287.30
  4. Step 4: Simplify right side
    222,063.58x = 38,397,724,704.15
  5. Step 5: Solve for x
    x = 38,397,724,704.15/222,063.58
  6. Step 6: Final answer
    x = 172,913.20

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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.