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Finding the Fourth Proportional to 167,968,792.80, 251,915,378.40 and 60,263,416.80

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Solution

The fourth proportional to 167,968,792.80, 251,915,378.40 and 60,263,416.80 is: 90,381,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,968,792.80 : 251,915,378.40 = 60,263,416.80 : x
  2. Step 2: Convert to fraction form
    167,968,792.80/251,915,378.40 = 60,263,416.80/x
  3. Step 3: Cross multiply
    167,968,792.80x = 251,915,378.40 × 60,263,416.80
  4. Step 4: Simplify right side
    167,968,792.80x = 15,181,281,446,848,916
  5. Step 5: Solve for x
    x = 15,181,281,446,848,916/167,968,792.80
  6. Step 6: Final answer
    x = 90,381,559.54

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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.