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Finding the Fourth Proportional to 220,169,712.80, 330,467,145.60 and 134,076,270.80

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Solution

The fourth proportional to 220,169,712.80, 330,467,145.60 and 134,076,270.80 is: 201,243,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,169,712.80 : 330,467,145.60 = 134,076,270.80 : x
  2. Step 2: Convert to fraction form
    220,169,712.80/330,467,145.60 = 134,076,270.80/x
  3. Step 3: Cross multiply
    220,169,712.80x = 330,467,145.60 × 134,076,270.80
  4. Step 4: Simplify right side
    220,169,712.80x = 44,307,802,503,968,632
  5. Step 5: Solve for x
    x = 44,307,802,503,968,632/220,169,712.80
  6. Step 6: Final answer
    x = 201,243,858.39

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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.