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Finding the Fourth Proportional to 266,571.18, 367,868.18 and 145,712.94

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Solution

The fourth proportional to 266,571.18, 367,868.18 and 145,712.94 is: 201,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,571.18 : 367,868.18 = 145,712.94 : x
  2. Step 2: Convert to fraction form
    266,571.18/367,868.18 = 145,712.94/x
  3. Step 3: Cross multiply
    266,571.18x = 367,868.18 × 145,712.94
  4. Step 4: Simplify right side
    266,571.18x = 53,603,154,404.53
  5. Step 5: Solve for x
    x = 53,603,154,404.53/266,571.18
  6. Step 6: Final answer
    x = 201,083.83

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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.