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Finding the Fourth Proportional to 111,484.56, 153,847.17 and 61,183.56

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Solution

The fourth proportional to 111,484.56, 153,847.17 and 61,183.56 is: 84,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,484.56 : 153,847.17 = 61,183.56 : x
  2. Step 2: Convert to fraction form
    111,484.56/153,847.17 = 61,183.56/x
  3. Step 3: Cross multiply
    111,484.56x = 153,847.17 × 61,183.56
  4. Step 4: Simplify right side
    111,484.56x = 9,412,917,556.53
  5. Step 5: Solve for x
    x = 9,412,917,556.53/111,484.56
  6. Step 6: Final answer
    x = 84,432.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.