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Finding the Fourth Proportional to 88,697.08, 122,404.53 and 48,413.42

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Solution

The fourth proportional to 88,697.08, 122,404.53 and 48,413.42 is: 66,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,697.08 : 122,404.53 = 48,413.42 : x
  2. Step 2: Convert to fraction form
    88,697.08/122,404.53 = 48,413.42/x
  3. Step 3: Cross multiply
    88,697.08x = 122,404.53 × 48,413.42
  4. Step 4: Simplify right side
    88,697.08x = 5,926,021,920.79
  5. Step 5: Solve for x
    x = 5,926,021,920.79/88,697.08
  6. Step 6: Final answer
    x = 66,811.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.