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Finding the Fourth Proportional to 223,342.53, 308,238.90 and 132,699.24

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Solution

The fourth proportional to 223,342.53, 308,238.90 and 132,699.24 is: 183,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,342.53 : 308,238.90 = 132,699.24 : x
  2. Step 2: Convert to fraction form
    223,342.53/308,238.90 = 132,699.24/x
  3. Step 3: Cross multiply
    223,342.53x = 308,238.90 × 132,699.24
  4. Step 4: Simplify right side
    223,342.53x = 40,903,067,768.44
  5. Step 5: Solve for x
    x = 40,903,067,768.44/223,342.53
  6. Step 6: Final answer
    x = 183,140.52

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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.