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Finding the Fourth Proportional to 111,413.65, 167,177.92 and 73,999.61

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Solution

The fourth proportional to 111,413.65, 167,177.92 and 73,999.61 is: 111,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,413.65 : 167,177.92 = 73,999.61 : x
  2. Step 2: Convert to fraction form
    111,413.65/167,177.92 = 73,999.61/x
  3. Step 3: Cross multiply
    111,413.65x = 167,177.92 × 73,999.61
  4. Step 4: Simplify right side
    111,413.65x = 12,371,100,510.61
  5. Step 5: Solve for x
    x = 12,371,100,510.61/111,413.65
  6. Step 6: Final answer
    x = 111,037.57

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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.