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Finding the Fourth Proportional to 66,899.59, 100,348.92 and 16,298.02

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Solution

The fourth proportional to 66,899.59, 100,348.92 and 16,298.02 is: 24,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,899.59 : 100,348.92 = 16,298.02 : x
  2. Step 2: Convert to fraction form
    66,899.59/100,348.92 = 16,298.02/x
  3. Step 3: Cross multiply
    66,899.59x = 100,348.92 × 16,298.02
  4. Step 4: Simplify right side
    66,899.59x = 1,635,488,203.39
  5. Step 5: Solve for x
    x = 1,635,488,203.39/66,899.59
  6. Step 6: Final answer
    x = 24,446.91

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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.