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Finding the Fourth Proportional to 199,380,399.60, 299,111,034.60 and 113,160,111.60

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Solution

The fourth proportional to 199,380,399.60, 299,111,034.60 and 113,160,111.60 is: 169,763,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,380,399.60 : 299,111,034.60 = 113,160,111.60 : x
  2. Step 2: Convert to fraction form
    199,380,399.60/299,111,034.60 = 113,160,111.60/x
  3. Step 3: Cross multiply
    199,380,399.60x = 299,111,034.60 × 113,160,111.60
  4. Step 4: Simplify right side
    199,380,399.60x = 33,847,438,056,127,464
  5. Step 5: Solve for x
    x = 33,847,438,056,127,464/199,380,399.60
  6. Step 6: Final answer
    x = 169,763,116.76

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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.