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Finding the Fourth Proportional to 254,379.80, 351,045.48 and 158,941.84

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Solution

The fourth proportional to 254,379.80, 351,045.48 and 158,941.84 is: 219,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,379.80 : 351,045.48 = 158,941.84 : x
  2. Step 2: Convert to fraction form
    254,379.80/351,045.48 = 158,941.84/x
  3. Step 3: Cross multiply
    254,379.80x = 351,045.48 × 158,941.84
  4. Step 4: Simplify right side
    254,379.80x = 55,795,814,514.88
  5. Step 5: Solve for x
    x = 55,795,814,514.88/254,379.80
  6. Step 6: Final answer
    x = 219,340.59

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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.