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Finding the Fourth Proportional to 266,413.20, 367,755.39 and 164,479.87

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Solution

The fourth proportional to 266,413.20, 367,755.39 and 164,479.87 is: 227,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,413.20 : 367,755.39 = 164,479.87 : x
  2. Step 2: Convert to fraction form
    266,413.20/367,755.39 = 164,479.87/x
  3. Step 3: Cross multiply
    266,413.20x = 367,755.39 × 164,479.87
  4. Step 4: Simplify right side
    266,413.20x = 60,488,357,130.07
  5. Step 5: Solve for x
    x = 60,488,357,130.07/266,413.20
  6. Step 6: Final answer
    x = 227,047.15

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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.