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Finding the Fourth Proportional to 109,559.60, 164,290.80 and 50,413.40

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Solution

The fourth proportional to 109,559.60, 164,290.80 and 50,413.40 is: 75,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,559.60 : 164,290.80 = 50,413.40 : x
  2. Step 2: Convert to fraction form
    109,559.60/164,290.80 = 50,413.40/x
  3. Step 3: Cross multiply
    109,559.60x = 164,290.80 × 50,413.40
  4. Step 4: Simplify right side
    109,559.60x = 8,282,457,816.72
  5. Step 5: Solve for x
    x = 8,282,457,816.72/109,559.60
  6. Step 6: Final answer
    x = 75,597.74

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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.