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Finding the Fourth Proportional to 374,183.32, 561,279.78 and 124,865.32

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Solution

The fourth proportional to 374,183.32, 561,279.78 and 124,865.32 is: 187,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,183.32 : 561,279.78 = 124,865.32 : x
  2. Step 2: Convert to fraction form
    374,183.32/561,279.78 = 124,865.32/x
  3. Step 3: Cross multiply
    374,183.32x = 561,279.78 × 124,865.32
  4. Step 4: Simplify right side
    374,183.32x = 70,084,379,339.23
  5. Step 5: Solve for x
    x = 70,084,379,339.23/374,183.32
  6. Step 6: Final answer
    x = 187,299.58

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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.