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Finding the Fourth Proportional to 303,558.52, 455,343.96 and 104,108.17

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Solution

The fourth proportional to 303,558.52, 455,343.96 and 104,108.17 is: 156,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,558.52 : 455,343.96 = 104,108.17 : x
  2. Step 2: Convert to fraction form
    303,558.52/455,343.96 = 104,108.17/x
  3. Step 3: Cross multiply
    303,558.52x = 455,343.96 × 104,108.17
  4. Step 4: Simplify right side
    303,558.52x = 47,405,026,396.15
  5. Step 5: Solve for x
    x = 47,405,026,396.15/303,558.52
  6. Step 6: Final answer
    x = 156,164.37

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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.