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Finding the Fourth Proportional to 341,495.64, 512,268.21 and 131,133.58

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Solution

The fourth proportional to 341,495.64, 512,268.21 and 131,133.58 is: 196,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,495.64 : 512,268.21 = 131,133.58 : x
  2. Step 2: Convert to fraction form
    341,495.64/512,268.21 = 131,133.58/x
  3. Step 3: Cross multiply
    341,495.64x = 512,268.21 × 131,133.58
  4. Step 4: Simplify right side
    341,495.64x = 67,175,563,016.82
  5. Step 5: Solve for x
    x = 67,175,563,016.82/341,495.64
  6. Step 6: Final answer
    x = 196,709.87

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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.