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Finding the Fourth Proportional to 235,413.93, 324,874.92 and 127,984.37

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Solution

The fourth proportional to 235,413.93, 324,874.92 and 127,984.37 is: 176,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,413.93 : 324,874.92 = 127,984.37 : x
  2. Step 2: Convert to fraction form
    235,413.93/324,874.92 = 127,984.37/x
  3. Step 3: Cross multiply
    235,413.93x = 324,874.92 × 127,984.37
  4. Step 4: Simplify right side
    235,413.93x = 41,578,911,965.00
  5. Step 5: Solve for x
    x = 41,578,911,965.00/235,413.93
  6. Step 6: Final answer
    x = 176,620.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.