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Finding the Fourth Proportional to 8,194,618.60, 12,268,308.30 and 8,194,618.60

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Solution

The fourth proportional to 8,194,618.60, 12,268,308.30 and 8,194,618.60 is: 12,268,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,618.60 : 12,268,308.30 = 8,194,618.60 : x
  2. Step 2: Convert to fraction form
    8,194,618.60/12,268,308.30 = 8,194,618.60/x
  3. Step 3: Cross multiply
    8,194,618.60x = 12,268,308.30 × 8,194,618.60
  4. Step 4: Simplify right side
    8,194,618.60x = 100,534,107,385,714.38
  5. Step 5: Solve for x
    x = 100,534,107,385,714.38/8,194,618.60
  6. Step 6: Final answer
    x = 12,268,308.30

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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.