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Finding the Fourth Proportional to 268,503.69, 370,529.06 and 145,993.41

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Solution

The fourth proportional to 268,503.69, 370,529.06 and 145,993.41 is: 201,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,503.69 : 370,529.06 = 145,993.41 : x
  2. Step 2: Convert to fraction form
    268,503.69/370,529.06 = 145,993.41/x
  3. Step 3: Cross multiply
    268,503.69x = 370,529.06 × 145,993.41
  4. Step 4: Simplify right side
    268,503.69x = 54,094,801,696.25
  5. Step 5: Solve for x
    x = 54,094,801,696.25/268,503.69
  6. Step 6: Final answer
    x = 201,467.63

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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.