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Finding the Fourth Proportional to 199,300,605.80, 298,950,908.70 and 183,516,808.10

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Solution

The fourth proportional to 199,300,605.80, 298,950,908.70 and 183,516,808.10 is: 275,275,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,605.80 : 298,950,908.70 = 183,516,808.10 : x
  2. Step 2: Convert to fraction form
    199,300,605.80/298,950,908.70 = 183,516,808.10/x
  3. Step 3: Cross multiply
    199,300,605.80x = 298,950,908.70 × 183,516,808.10
  4. Step 4: Simplify right side
    199,300,605.80x = 54,862,516,543,218,520
  5. Step 5: Solve for x
    x = 54,862,516,543,218,520/199,300,605.80
  6. Step 6: Final answer
    x = 275,275,212.15

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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.