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Finding the Fourth Proportional to 275,764.59, 380,596.27 and 168,396.86

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Solution

The fourth proportional to 275,764.59, 380,596.27 and 168,396.86 is: 232,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,764.59 : 380,596.27 = 168,396.86 : x
  2. Step 2: Convert to fraction form
    275,764.59/380,596.27 = 168,396.86/x
  3. Step 3: Cross multiply
    275,764.59x = 380,596.27 × 168,396.86
  4. Step 4: Simplify right side
    275,764.59x = 64,091,216,795.71
  5. Step 5: Solve for x
    x = 64,091,216,795.71/275,764.59
  6. Step 6: Final answer
    x = 232,412.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.