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Finding the Fourth Proportional to 235,443.24, 352,817.48 and 139,281

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Solution

The fourth proportional to 235,443.24, 352,817.48 and 139,281 is: 208,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,443.24 : 352,817.48 = 139,281 : x
  2. Step 2: Convert to fraction form
    235,443.24/352,817.48 = 139,281/x
  3. Step 3: Cross multiply
    235,443.24x = 352,817.48 × 139,281
  4. Step 4: Simplify right side
    235,443.24x = 49,140,770,735.48
  5. Step 5: Solve for x
    x = 49,140,770,735.48/235,443.24
  6. Step 6: Final answer
    x = 208,716.00

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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.