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Finding the Fourth Proportional to 336,775.86, 505,163.79 and 100,118.16

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Solution

The fourth proportional to 336,775.86, 505,163.79 and 100,118.16 is: 150,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,775.86 : 505,163.79 = 100,118.16 : x
  2. Step 2: Convert to fraction form
    336,775.86/505,163.79 = 100,118.16/x
  3. Step 3: Cross multiply
    336,775.86x = 505,163.79 × 100,118.16
  4. Step 4: Simplify right side
    336,775.86x = 50,576,069,153.43
  5. Step 5: Solve for x
    x = 50,576,069,153.43/336,775.86
  6. Step 6: Final answer
    x = 150,177.24

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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.