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Finding the Fourth Proportional to 196,974, 295,461.36 and 49,230

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Solution

The fourth proportional to 196,974, 295,461.36 and 49,230 is: 73,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,974 : 295,461.36 = 49,230 : x
  2. Step 2: Convert to fraction form
    196,974/295,461.36 = 49,230/x
  3. Step 3: Cross multiply
    196,974x = 295,461.36 × 49,230
  4. Step 4: Simplify right side
    196,974x = 14,545,562,752.80
  5. Step 5: Solve for x
    x = 14,545,562,752.80/196,974
  6. Step 6: Final answer
    x = 73,845.09

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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.