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Finding the Fourth Proportional to 196,669,891.60, 295,183,296.60 and 99,693,062.80

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Solution

The fourth proportional to 196,669,891.60, 295,183,296.60 and 99,693,062.80 is: 149,630,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,669,891.60 : 295,183,296.60 = 99,693,062.80 : x
  2. Step 2: Convert to fraction form
    196,669,891.60/295,183,296.60 = 99,693,062.80/x
  3. Step 3: Cross multiply
    196,669,891.60x = 295,183,296.60 × 99,693,062.80
  4. Step 4: Simplify right side
    196,669,891.60x = 29,427,726,925,454,828
  5. Step 5: Solve for x
    x = 29,427,726,925,454,828/196,669,891.60
  6. Step 6: Final answer
    x = 149,630,056.16

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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.