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Finding the Fourth Proportional to 196,993,657.80, 295,490,486.70 and 132,496,403.40

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Solution

The fourth proportional to 196,993,657.80, 295,490,486.70 and 132,496,403.40 is: 198,744,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,993,657.80 : 295,490,486.70 = 132,496,403.40 : x
  2. Step 2: Convert to fraction form
    196,993,657.80/295,490,486.70 = 132,496,403.40/x
  3. Step 3: Cross multiply
    196,993,657.80x = 295,490,486.70 × 132,496,403.40
  4. Step 4: Simplify right side
    196,993,657.80x = 39,151,426,726,665,536
  5. Step 5: Solve for x
    x = 39,151,426,726,665,536/196,993,657.80
  6. Step 6: Final answer
    x = 198,744,605.10

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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.