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Finding the Fourth Proportional to 222,008.28, 333,011.62 and 79,853.31

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Solution

The fourth proportional to 222,008.28, 333,011.62 and 79,853.31 is: 119,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,008.28 : 333,011.62 = 79,853.31 : x
  2. Step 2: Convert to fraction form
    222,008.28/333,011.62 = 79,853.31/x
  3. Step 3: Cross multiply
    222,008.28x = 333,011.62 × 79,853.31
  4. Step 4: Simplify right side
    222,008.28x = 26,592,080,225.28
  5. Step 5: Solve for x
    x = 26,592,080,225.28/222,008.28
  6. Step 6: Final answer
    x = 119,779.68

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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.