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Finding the Fourth Proportional to 148,449, 222,115.50 and 104,162.16

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Solution

The fourth proportional to 148,449, 222,115.50 and 104,162.16 is: 155,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,449 : 222,115.50 = 104,162.16 : x
  2. Step 2: Convert to fraction form
    148,449/222,115.50 = 104,162.16/x
  3. Step 3: Cross multiply
    148,449x = 222,115.50 × 104,162.16
  4. Step 4: Simplify right side
    148,449x = 23,136,030,249.48
  5. Step 5: Solve for x
    x = 23,136,030,249.48/148,449
  6. Step 6: Final answer
    x = 155,851.71

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1.5x scale

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.