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Finding the Fourth Proportional to 148,456, 222,126 and 104,169.16

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Solution

The fourth proportional to 148,456, 222,126 and 104,169.16 is: 155,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,456 : 222,126 = 104,169.16 : x
  2. Step 2: Convert to fraction form
    148,456/222,126 = 104,169.16/x
  3. Step 3: Cross multiply
    148,456x = 222,126 × 104,169.16
  4. Step 4: Simplify right side
    148,456x = 23,138,678,834.16
  5. Step 5: Solve for x
    x = 23,138,678,834.16/148,456
  6. Step 6: Final answer
    x = 155,862.20

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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.