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Finding the Fourth Proportional to 263,805.10, 395,704.08 and 64,124.92

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Solution

The fourth proportional to 263,805.10, 395,704.08 and 64,124.92 is: 96,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,805.10 : 395,704.08 = 64,124.92 : x
  2. Step 2: Convert to fraction form
    263,805.10/395,704.08 = 64,124.92/x
  3. Step 3: Cross multiply
    263,805.10x = 395,704.08 × 64,124.92
  4. Step 4: Simplify right side
    263,805.10x = 25,374,492,473.67
  5. Step 5: Solve for x
    x = 25,374,492,473.67/263,805.10
  6. Step 6: Final answer
    x = 96,186.51

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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.