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Finding the Fourth Proportional to 66,797.81, 100,196.91 and 16,196.63

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Solution

The fourth proportional to 66,797.81, 100,196.91 and 16,196.63 is: 24,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,797.81 : 100,196.91 = 16,196.63 : x
  2. Step 2: Convert to fraction form
    66,797.81/100,196.91 = 16,196.63/x
  3. Step 3: Cross multiply
    66,797.81x = 100,196.91 × 16,196.63
  4. Step 4: Simplify right side
    66,797.81x = 1,622,852,278.41
  5. Step 5: Solve for x
    x = 1,622,852,278.41/66,797.81
  6. Step 6: Final answer
    x = 24,294.99

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1.5x scale

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.