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Finding the Fourth Proportional to 250,742.36, 376,113.72 and 124,469.84

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Solution

The fourth proportional to 250,742.36, 376,113.72 and 124,469.84 is: 186,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,742.36 : 376,113.72 = 124,469.84 : x
  2. Step 2: Convert to fraction form
    250,742.36/376,113.72 = 124,469.84/x
  3. Step 3: Cross multiply
    250,742.36x = 376,113.72 × 124,469.84
  4. Step 4: Simplify right side
    250,742.36x = 46,814,814,550.20
  5. Step 5: Solve for x
    x = 46,814,814,550.20/250,742.36
  6. Step 6: Final answer
    x = 186,704.85

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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.