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Finding the Fourth Proportional to 163,347,256.20, 228,856,219.80 and 163,347,256.20

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Solution

The fourth proportional to 163,347,256.20, 228,856,219.80 and 163,347,256.20 is: 228,856,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,347,256.20 : 228,856,219.80 = 163,347,256.20 : x
  2. Step 2: Convert to fraction form
    163,347,256.20/228,856,219.80 = 163,347,256.20/x
  3. Step 3: Cross multiply
    163,347,256.20x = 228,856,219.80 × 163,347,256.20
  4. Step 4: Simplify right side
    163,347,256.20x = 37,383,035,568,634,112
  5. Step 5: Solve for x
    x = 37,383,035,568,634,112/163,347,256.20
  6. Step 6: Final answer
    x = 228,856,219.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.