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Finding the Fourth Proportional to 71,633.35, 107,413.11 and 32,156.65

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Solution

The fourth proportional to 71,633.35, 107,413.11 and 32,156.65 is: 48,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,633.35 : 107,413.11 = 32,156.65 : x
  2. Step 2: Convert to fraction form
    71,633.35/107,413.11 = 32,156.65/x
  3. Step 3: Cross multiply
    71,633.35x = 107,413.11 × 32,156.65
  4. Step 4: Simplify right side
    71,633.35x = 3,454,045,783.68
  5. Step 5: Solve for x
    x = 3,454,045,783.68/71,633.35
  6. Step 6: Final answer
    x = 48,218.40

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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.