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Finding the Fourth Proportional to 45,463, 68,196.92 and 14,300.68

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Solution

The fourth proportional to 45,463, 68,196.92 and 14,300.68 is: 21,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,463 : 68,196.92 = 14,300.68 : x
  2. Step 2: Convert to fraction form
    45,463/68,196.92 = 14,300.68/x
  3. Step 3: Cross multiply
    45,463x = 68,196.92 × 14,300.68
  4. Step 4: Simplify right side
    45,463x = 975,262,329.91
  5. Step 5: Solve for x
    x = 975,262,329.91/45,463
  6. Step 6: Final answer
    x = 21,451.78

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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.