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Finding the Fourth Proportional to 122,372.60, 183,413.10 and 51,295.10

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Solution

The fourth proportional to 122,372.60, 183,413.10 and 51,295.10 is: 76,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,372.60 : 183,413.10 = 51,295.10 : x
  2. Step 2: Convert to fraction form
    122,372.60/183,413.10 = 51,295.10/x
  3. Step 3: Cross multiply
    122,372.60x = 183,413.10 × 51,295.10
  4. Step 4: Simplify right side
    122,372.60x = 9,408,193,305.81
  5. Step 5: Solve for x
    x = 9,408,193,305.81/122,372.60
  6. Step 6: Final answer
    x = 76,881.53

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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.