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Finding the Fourth Proportional to 373,140.80, 559,546.08 and 106,840.64

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Solution

The fourth proportional to 373,140.80, 559,546.08 and 106,840.64 is: 160,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,140.80 : 559,546.08 = 106,840.64 : x
  2. Step 2: Convert to fraction form
    373,140.80/559,546.08 = 106,840.64/x
  3. Step 3: Cross multiply
    373,140.80x = 559,546.08 × 106,840.64
  4. Step 4: Simplify right side
    373,140.80x = 59,782,261,296.69
  5. Step 5: Solve for x
    x = 59,782,261,296.69/373,140.80
  6. Step 6: Final answer
    x = 160,213.68

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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.