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Finding the Fourth Proportional to 351,553.83, 526,625.44 and 161,749.77

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Solution

The fourth proportional to 351,553.83, 526,625.44 and 161,749.77 is: 242,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,553.83 : 526,625.44 = 161,749.77 : x
  2. Step 2: Convert to fraction form
    351,553.83/526,625.44 = 161,749.77/x
  3. Step 3: Cross multiply
    351,553.83x = 526,625.44 × 161,749.77
  4. Step 4: Simplify right side
    351,553.83x = 85,181,543,796.15
  5. Step 5: Solve for x
    x = 85,181,543,796.15/351,553.83
  6. Step 6: Final answer
    x = 242,300.14

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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.