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Finding the Fourth Proportional to 100,838.32, 151,257.44 and 41,608.88

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Solution

The fourth proportional to 100,838.32, 151,257.44 and 41,608.88 is: 62,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,838.32 : 151,257.44 = 41,608.88 : x
  2. Step 2: Convert to fraction form
    100,838.32/151,257.44 = 41,608.88/x
  3. Step 3: Cross multiply
    100,838.32x = 151,257.44 × 41,608.88
  4. Step 4: Simplify right side
    100,838.32x = 6,293,652,670.07
  5. Step 5: Solve for x
    x = 6,293,652,670.07/100,838.32
  6. Step 6: Final answer
    x = 62,413.30

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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.