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Finding the Fourth Proportional to 119,097.97, 178,413.40 and 69,072.98

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Solution

The fourth proportional to 119,097.97, 178,413.40 and 69,072.98 is: 103,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,097.97 : 178,413.40 = 69,072.98 : x
  2. Step 2: Convert to fraction form
    119,097.97/178,413.40 = 69,072.98/x
  3. Step 3: Cross multiply
    119,097.97x = 178,413.40 × 69,072.98
  4. Step 4: Simplify right side
    119,097.97x = 12,323,545,209.93
  5. Step 5: Solve for x
    x = 12,323,545,209.93/119,097.97
  6. Step 6: Final answer
    x = 103,474.02

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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.