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Finding the Fourth Proportional to 135,794.40, 203,998.80 and 94,322.40

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Solution

The fourth proportional to 135,794.40, 203,998.80 and 94,322.40 is: 141,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,794.40 : 203,998.80 = 94,322.40 : x
  2. Step 2: Convert to fraction form
    135,794.40/203,998.80 = 94,322.40/x
  3. Step 3: Cross multiply
    135,794.40x = 203,998.80 × 94,322.40
  4. Step 4: Simplify right side
    135,794.40x = 19,241,656,413.12
  5. Step 5: Solve for x
    x = 19,241,656,413.12/135,794.40
  6. Step 6: Final answer
    x = 141,696.98

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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.