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Finding the Fourth Proportional to 133,216.62, 199,822.11 and 43,259.23

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Solution

The fourth proportional to 133,216.62, 199,822.11 and 43,259.23 is: 64,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216.62 : 199,822.11 = 43,259.23 : x
  2. Step 2: Convert to fraction form
    133,216.62/199,822.11 = 43,259.23/x
  3. Step 3: Cross multiply
    133,216.62x = 199,822.11 × 43,259.23
  4. Step 4: Simplify right side
    133,216.62x = 8,644,150,703.13
  5. Step 5: Solve for x
    x = 8,644,150,703.13/133,216.62
  6. Step 6: Final answer
    x = 64,887.93

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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.