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Finding the Fourth Proportional to 211,462, 317,193 and 63,718

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Solution

The fourth proportional to 211,462, 317,193 and 63,718 is: 95,577

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,462 : 317,193 = 63,718 : x
  2. Step 2: Convert to fraction form
    211,462/317,193 = 63,718/x
  3. Step 3: Cross multiply
    211,462x = 317,193 × 63,718
  4. Step 4: Simplify right side
    211,462x = 20,210,903,574
  5. Step 5: Solve for x
    x = 20,210,903,574/211,462
  6. Step 6: Final answer
    x = 95,577

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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.