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Finding the Fourth Proportional to 223,898.30, 336,031.05 and 222,148.70

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Solution

The fourth proportional to 223,898.30, 336,031.05 and 222,148.70 is: 333,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,898.30 : 336,031.05 = 222,148.70 : x
  2. Step 2: Convert to fraction form
    223,898.30/336,031.05 = 222,148.70/x
  3. Step 3: Cross multiply
    223,898.30x = 336,031.05 × 222,148.70
  4. Step 4: Simplify right side
    223,898.30x = 74,648,860,917.14
  5. Step 5: Solve for x
    x = 74,648,860,917.14/223,898.30
  6. Step 6: Final answer
    x = 333,405.22

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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.