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Finding the Fourth Proportional to 156,954.35, 235,413.30 and 44,651.90

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Solution

The fourth proportional to 156,954.35, 235,413.30 and 44,651.90 is: 66,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.35 : 235,413.30 = 44,651.90 : x
  2. Step 2: Convert to fraction form
    156,954.35/235,413.30 = 44,651.90/x
  3. Step 3: Cross multiply
    156,954.35x = 235,413.30 × 44,651.90
  4. Step 4: Simplify right side
    156,954.35x = 10,511,651,130.27
  5. Step 5: Solve for x
    x = 10,511,651,130.27/156,954.35
  6. Step 6: Final answer
    x = 66,972.67

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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.