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Finding the Fourth Proportional to 240,395.75, 331,723.83 and 132,963.47

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Solution

The fourth proportional to 240,395.75, 331,723.83 and 132,963.47 is: 183,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,395.75 : 331,723.83 = 132,963.47 : x
  2. Step 2: Convert to fraction form
    240,395.75/331,723.83 = 132,963.47/x
  3. Step 3: Cross multiply
    240,395.75x = 331,723.83 × 132,963.47
  4. Step 4: Simplify right side
    240,395.75x = 44,107,151,518.49
  5. Step 5: Solve for x
    x = 44,107,151,518.49/240,395.75
  6. Step 6: Final answer
    x = 183,477.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.