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Finding the Fourth Proportional to 175,819, 263,740.68 and 70,637.88

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Solution

The fourth proportional to 175,819, 263,740.68 and 70,637.88 is: 105,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,819 : 263,740.68 = 70,637.88 : x
  2. Step 2: Convert to fraction form
    175,819/263,740.68 = 70,637.88/x
  3. Step 3: Cross multiply
    175,819x = 263,740.68 × 70,637.88
  4. Step 4: Simplify right side
    175,819x = 18,630,082,504.96
  5. Step 5: Solve for x
    x = 18,630,082,504.96/175,819
  6. Step 6: Final answer
    x = 105,961.71

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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.