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Finding the Fourth Proportional to 250,339.40, 375,025.20 and 139,194.44

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Solution

The fourth proportional to 250,339.40, 375,025.20 and 139,194.44 is: 208,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,339.40 : 375,025.20 = 139,194.44 : x
  2. Step 2: Convert to fraction form
    250,339.40/375,025.20 = 139,194.44/x
  3. Step 3: Cross multiply
    250,339.40x = 375,025.20 × 139,194.44
  4. Step 4: Simplify right side
    250,339.40x = 52,201,422,699.89
  5. Step 5: Solve for x
    x = 52,201,422,699.89/250,339.40
  6. Step 6: Final answer
    x = 208,522.60

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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.