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Finding the Fourth Proportional to 266,473.67, 367,718.05 and 145,615.90

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Solution

The fourth proportional to 266,473.67, 367,718.05 and 145,615.90 is: 200,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,473.67 : 367,718.05 = 145,615.90 : x
  2. Step 2: Convert to fraction form
    266,473.67/367,718.05 = 145,615.90/x
  3. Step 3: Cross multiply
    266,473.67x = 367,718.05 × 145,615.90
  4. Step 4: Simplify right side
    266,473.67x = 53,545,594,797.00
  5. Step 5: Solve for x
    x = 53,545,594,797.00/266,473.67
  6. Step 6: Final answer
    x = 200,941.41

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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.