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Finding the Fourth Proportional to 66,714.96, 100,064.97 and 16,795.08

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Solution

The fourth proportional to 66,714.96, 100,064.97 and 16,795.08 is: 25,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,714.96 : 100,064.97 = 16,795.08 : x
  2. Step 2: Convert to fraction form
    66,714.96/100,064.97 = 16,795.08/x
  3. Step 3: Cross multiply
    66,714.96x = 100,064.97 × 16,795.08
  4. Step 4: Simplify right side
    66,714.96x = 1,680,599,176.35
  5. Step 5: Solve for x
    x = 1,680,599,176.35/66,714.96
  6. Step 6: Final answer
    x = 25,190.74

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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.