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Finding the Fourth Proportional to 200,726.28, 301,089.92 and 67,699.94

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Solution

The fourth proportional to 200,726.28, 301,089.92 and 67,699.94 is: 101,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,726.28 : 301,089.92 = 67,699.94 : x
  2. Step 2: Convert to fraction form
    200,726.28/301,089.92 = 67,699.94/x
  3. Step 3: Cross multiply
    200,726.28x = 301,089.92 × 67,699.94
  4. Step 4: Simplify right side
    200,726.28x = 20,383,767,674.66
  5. Step 5: Solve for x
    x = 20,383,767,674.66/200,726.28
  6. Step 6: Final answer
    x = 101,550.07

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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.