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Finding the Fourth Proportional to 254,670, 382,029.30 and 104,920.44

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Solution

The fourth proportional to 254,670, 382,029.30 and 104,920.44 is: 157,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,670 : 382,029.30 = 104,920.44 : x
  2. Step 2: Convert to fraction form
    254,670/382,029.30 = 104,920.44/x
  3. Step 3: Cross multiply
    254,670x = 382,029.30 × 104,920.44
  4. Step 4: Simplify right side
    254,670x = 40,082,682,248.89
  5. Step 5: Solve for x
    x = 40,082,682,248.89/254,670
  6. Step 6: Final answer
    x = 157,390.67

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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.