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Finding the Fourth Proportional to 125,413.64, 188,126.61 and 50,523.63

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Solution

The fourth proportional to 125,413.64, 188,126.61 and 50,523.63 is: 75,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,413.64 : 188,126.61 = 50,523.63 : x
  2. Step 2: Convert to fraction form
    125,413.64/188,126.61 = 50,523.63/x
  3. Step 3: Cross multiply
    125,413.64x = 188,126.61 × 50,523.63
  4. Step 4: Simplify right side
    125,413.64x = 9,504,839,236.79
  5. Step 5: Solve for x
    x = 9,504,839,236.79/125,413.64
  6. Step 6: Final answer
    x = 75,787.92

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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.