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Finding the Fourth Proportional to 368,149.08, 552,162.09 and 101,936.50

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Solution

The fourth proportional to 368,149.08, 552,162.09 and 101,936.50 is: 152,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,149.08 : 552,162.09 = 101,936.50 : x
  2. Step 2: Convert to fraction form
    368,149.08/552,162.09 = 101,936.50/x
  3. Step 3: Cross multiply
    368,149.08x = 552,162.09 × 101,936.50
  4. Step 4: Simplify right side
    368,149.08x = 56,285,470,887.29
  5. Step 5: Solve for x
    x = 56,285,470,887.29/368,149.08
  6. Step 6: Final answer
    x = 152,887.71

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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.