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Finding the Fourth Proportional to 179,486.40, 269,229.60 and 154,554.60

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Solution

The fourth proportional to 179,486.40, 269,229.60 and 154,554.60 is: 231,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,486.40 : 269,229.60 = 154,554.60 : x
  2. Step 2: Convert to fraction form
    179,486.40/269,229.60 = 154,554.60/x
  3. Step 3: Cross multiply
    179,486.40x = 269,229.60 × 154,554.60
  4. Step 4: Simplify right side
    179,486.40x = 41,610,673,136.16
  5. Step 5: Solve for x
    x = 41,610,673,136.16/179,486.40
  6. Step 6: Final answer
    x = 231,831.90

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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.