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Finding the Fourth Proportional to 205,369.27, 308,062.44 and 70,526.00

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Solution

The fourth proportional to 205,369.27, 308,062.44 and 70,526.00 is: 105,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,369.27 : 308,062.44 = 70,526.00 : x
  2. Step 2: Convert to fraction form
    205,369.27/308,062.44 = 70,526.00/x
  3. Step 3: Cross multiply
    205,369.27x = 308,062.44 × 70,526.00
  4. Step 4: Simplify right side
    205,369.27x = 21,726,412,413.60
  5. Step 5: Solve for x
    x = 21,726,412,413.60/205,369.27
  6. Step 6: Final answer
    x = 105,791.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.