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Finding the Fourth Proportional to 67,683.02, 101,413.56 and 47,926.11

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Solution

The fourth proportional to 67,683.02, 101,413.56 and 47,926.11 is: 71,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,683.02 : 101,413.56 = 47,926.11 : x
  2. Step 2: Convert to fraction form
    67,683.02/101,413.56 = 47,926.11/x
  3. Step 3: Cross multiply
    67,683.02x = 101,413.56 × 47,926.11
  4. Step 4: Simplify right side
    67,683.02x = 4,860,357,432.05
  5. Step 5: Solve for x
    x = 4,860,357,432.05/67,683.02
  6. Step 6: Final answer
    x = 71,810.59

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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.