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Finding the Fourth Proportional to 233,395.91, 350,062.42 and 91,141.81

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Solution

The fourth proportional to 233,395.91, 350,062.42 and 91,141.81 is: 136,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,395.91 : 350,062.42 = 91,141.81 : x
  2. Step 2: Convert to fraction form
    233,395.91/350,062.42 = 91,141.81/x
  3. Step 3: Cross multiply
    233,395.91x = 350,062.42 × 91,141.81
  4. Step 4: Simplify right side
    233,395.91x = 31,905,322,571.78
  5. Step 5: Solve for x
    x = 31,905,322,571.78/233,395.91
  6. Step 6: Final answer
    x = 136,700.44

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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.