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Finding the Fourth Proportional to 299,076,878.80, 449,077,212.60 and 163,027,982.80

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Solution

The fourth proportional to 299,076,878.80, 449,077,212.60 and 163,027,982.80 is: 244,793,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,076,878.80 : 449,077,212.60 = 163,027,982.80 : x
  2. Step 2: Convert to fraction form
    299,076,878.80/449,077,212.60 = 163,027,982.80/x
  3. Step 3: Cross multiply
    299,076,878.80x = 449,077,212.60 × 163,027,982.80
  4. Step 4: Simplify right side
    299,076,878.80x = 73,212,152,091,624,752
  5. Step 5: Solve for x
    x = 73,212,152,091,624,752/299,076,878.80
  6. Step 6: Final answer
    x = 244,793,754.65

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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.