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Finding the Fourth Proportional to 266,393.10, 367,629.69 and 159,025.45

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Solution

The fourth proportional to 266,393.10, 367,629.69 and 159,025.45 is: 219,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,393.10 : 367,629.69 = 159,025.45 : x
  2. Step 2: Convert to fraction form
    266,393.10/367,629.69 = 159,025.45/x
  3. Step 3: Cross multiply
    266,393.10x = 367,629.69 × 159,025.45
  4. Step 4: Simplify right side
    266,393.10x = 58,462,476,885.61
  5. Step 5: Solve for x
    x = 58,462,476,885.61/266,393.10
  6. Step 6: Final answer
    x = 219,459.43

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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.