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Finding the Fourth Proportional to 202,663.52, 279,714.30 and 133,631.60

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Solution

The fourth proportional to 202,663.52, 279,714.30 and 133,631.60 is: 184,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,663.52 : 279,714.30 = 133,631.60 : x
  2. Step 2: Convert to fraction form
    202,663.52/279,714.30 = 133,631.60/x
  3. Step 3: Cross multiply
    202,663.52x = 279,714.30 × 133,631.60
  4. Step 4: Simplify right side
    202,663.52x = 37,378,669,451.88
  5. Step 5: Solve for x
    x = 37,378,669,451.88/202,663.52
  6. Step 6: Final answer
    x = 184,437.09

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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.