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Finding the Fourth Proportional to 200,674.40, 301,042.76 and 67,544.28

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Solution

The fourth proportional to 200,674.40, 301,042.76 and 67,544.28 is: 101,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,674.40 : 301,042.76 = 67,544.28 : x
  2. Step 2: Convert to fraction form
    200,674.40/301,042.76 = 67,544.28/x
  3. Step 3: Cross multiply
    200,674.40x = 301,042.76 × 67,544.28
  4. Step 4: Simplify right side
    200,674.40x = 20,333,716,473.41
  5. Step 5: Solve for x
    x = 20,333,716,473.41/200,674.40
  6. Step 6: Final answer
    x = 101,326.91

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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.