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Finding the Fourth Proportional to 361,263.81, 541,599.66 and 136,496.37

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Solution

The fourth proportional to 361,263.81, 541,599.66 and 136,496.37 is: 204,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,263.81 : 541,599.66 = 136,496.37 : x
  2. Step 2: Convert to fraction form
    361,263.81/541,599.66 = 136,496.37/x
  3. Step 3: Cross multiply
    361,263.81x = 541,599.66 × 136,496.37
  4. Step 4: Simplify right side
    361,263.81x = 73,926,387,583.23
  5. Step 5: Solve for x
    x = 73,926,387,583.23/361,263.81
  6. Step 6: Final answer
    x = 204,632.70

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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.