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Finding the Fourth Proportional to 199,295,903.60, 298,943,855.40 and 171,554,683.40

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Solution

The fourth proportional to 199,295,903.60, 298,943,855.40 and 171,554,683.40 is: 257,332,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,295,903.60 : 298,943,855.40 = 171,554,683.40 : x
  2. Step 2: Convert to fraction form
    199,295,903.60/298,943,855.40 = 171,554,683.40/x
  3. Step 3: Cross multiply
    199,295,903.60x = 298,943,855.40 × 171,554,683.40
  4. Step 4: Simplify right side
    199,295,903.60x = 51,285,218,467,522,376
  5. Step 5: Solve for x
    x = 51,285,218,467,522,376/199,295,903.60
  6. Step 6: Final answer
    x = 257,332,025.10

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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.