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Finding the Fourth Proportional to 266,214.77, 367,373.59 and 145,355.69

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Solution

The fourth proportional to 266,214.77, 367,373.59 and 145,355.69 is: 200,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,214.77 : 367,373.59 = 145,355.69 : x
  2. Step 2: Convert to fraction form
    266,214.77/367,373.59 = 145,355.69/x
  3. Step 3: Cross multiply
    266,214.77x = 367,373.59 × 145,355.69
  4. Step 4: Simplify right side
    266,214.77x = 53,399,839,461.97
  5. Step 5: Solve for x
    x = 53,399,839,461.97/266,214.77
  6. Step 6: Final answer
    x = 200,589.32

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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.