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Finding the Fourth Proportional to 266,588.49, 367,891.27 and 145,729.81

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Solution

The fourth proportional to 266,588.49, 367,891.27 and 145,729.81 is: 201,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,588.49 : 367,891.27 = 145,729.81 : x
  2. Step 2: Convert to fraction form
    266,588.49/367,891.27 = 145,729.81/x
  3. Step 3: Cross multiply
    266,588.49x = 367,891.27 × 145,729.81
  4. Step 4: Simplify right side
    266,588.49x = 53,612,724,877.76
  5. Step 5: Solve for x
    x = 53,612,724,877.76/266,588.49
  6. Step 6: Final answer
    x = 201,106.68

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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.