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Finding the Fourth Proportional to 196,992,441.60, 295,063,509.60 and 162,980,217.60

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Solution

The fourth proportional to 196,992,441.60, 295,063,509.60 and 162,980,217.60 is: 244,118,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,441.60 : 295,063,509.60 = 162,980,217.60 : x
  2. Step 2: Convert to fraction form
    196,992,441.60/295,063,509.60 = 162,980,217.60/x
  3. Step 3: Cross multiply
    196,992,441.60x = 295,063,509.60 × 162,980,217.60
  4. Step 4: Simplify right side
    196,992,441.60x = 48,089,515,000,427,688
  5. Step 5: Solve for x
    x = 48,089,515,000,427,688/196,992,441.60
  6. Step 6: Final answer
    x = 244,118,579.42

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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.