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Finding the Fourth Proportional to 196,596.60, 295,113.60 and 121,801.20

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Solution

The fourth proportional to 196,596.60, 295,113.60 and 121,801.20 is: 182,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,596.60 : 295,113.60 = 121,801.20 : x
  2. Step 2: Convert to fraction form
    196,596.60/295,113.60 = 121,801.20/x
  3. Step 3: Cross multiply
    196,596.60x = 295,113.60 × 121,801.20
  4. Step 4: Simplify right side
    196,596.60x = 35,945,190,616.32
  5. Step 5: Solve for x
    x = 35,945,190,616.32/196,596.60
  6. Step 6: Final answer
    x = 182,837.30

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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.