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Finding the Fourth Proportional to 88,224.45, 121,736.03 and 52,413.54

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Solution

The fourth proportional to 88,224.45, 121,736.03 and 52,413.54 is: 72,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,224.45 : 121,736.03 = 52,413.54 : x
  2. Step 2: Convert to fraction form
    88,224.45/121,736.03 = 52,413.54/x
  3. Step 3: Cross multiply
    88,224.45x = 121,736.03 × 52,413.54
  4. Step 4: Simplify right side
    88,224.45x = 6,380,615,854.09
  5. Step 5: Solve for x
    x = 6,380,615,854.09/88,224.45
  6. Step 6: Final answer
    x = 72,322.54

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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.