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Finding the Fourth Proportional to 82,369.65, 123,413.42 and 44,955.97

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Solution

The fourth proportional to 82,369.65, 123,413.42 and 44,955.97 is: 67,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,369.65 : 123,413.42 = 44,955.97 : x
  2. Step 2: Convert to fraction form
    82,369.65/123,413.42 = 44,955.97/x
  3. Step 3: Cross multiply
    82,369.65x = 123,413.42 × 44,955.97
  4. Step 4: Simplify right side
    82,369.65x = 5,548,170,007.12
  5. Step 5: Solve for x
    x = 5,548,170,007.12/82,369.65
  6. Step 6: Final answer
    x = 67,356.97

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1.5x scale

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.