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Finding the Fourth Proportional to 196,878.60, 295,536.60 and 122,083.20

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Solution

The fourth proportional to 196,878.60, 295,536.60 and 122,083.20 is: 183,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,878.60 : 295,536.60 = 122,083.20 : x
  2. Step 2: Convert to fraction form
    196,878.60/295,536.60 = 122,083.20/x
  3. Step 3: Cross multiply
    196,878.60x = 295,536.60 × 122,083.20
  4. Step 4: Simplify right side
    196,878.60x = 36,080,053,845.12
  5. Step 5: Solve for x
    x = 36,080,053,845.12/196,878.60
  6. Step 6: Final answer
    x = 183,260.41

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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.