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Finding the Fourth Proportional to 196,702,929.60, 295,054,394.40 and 139,260,062.40

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Solution

The fourth proportional to 196,702,929.60, 295,054,394.40 and 139,260,062.40 is: 208,890,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,702,929.60 : 295,054,394.40 = 139,260,062.40 : x
  2. Step 2: Convert to fraction form
    196,702,929.60/295,054,394.40 = 139,260,062.40/x
  3. Step 3: Cross multiply
    196,702,929.60x = 295,054,394.40 × 139,260,062.40
  4. Step 4: Simplify right side
    196,702,929.60x = 41,089,293,375,538,208
  5. Step 5: Solve for x
    x = 41,089,293,375,538,208/196,702,929.60
  6. Step 6: Final answer
    x = 208,890,093.60

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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.