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Finding the Fourth Proportional to 100,345.90, 150,413.48 and 33,762.91

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Solution

The fourth proportional to 100,345.90, 150,413.48 and 33,762.91 is: 50,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,345.90 : 150,413.48 = 33,762.91 : x
  2. Step 2: Convert to fraction form
    100,345.90/150,413.48 = 33,762.91/x
  3. Step 3: Cross multiply
    100,345.90x = 150,413.48 × 33,762.91
  4. Step 4: Simplify right side
    100,345.90x = 5,078,396,788.03
  5. Step 5: Solve for x
    x = 5,078,396,788.03/100,345.90
  6. Step 6: Final answer
    x = 50,608.91

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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.