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Finding the Fourth Proportional to 373,129.60, 559,694.40 and 123,811.60

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Solution

The fourth proportional to 373,129.60, 559,694.40 and 123,811.60 is: 185,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,129.60 : 559,694.40 = 123,811.60 : x
  2. Step 2: Convert to fraction form
    373,129.60/559,694.40 = 123,811.60/x
  3. Step 3: Cross multiply
    373,129.60x = 559,694.40 × 123,811.60
  4. Step 4: Simplify right side
    373,129.60x = 69,296,659,175.04
  5. Step 5: Solve for x
    x = 69,296,659,175.04/373,129.60
  6. Step 6: Final answer
    x = 185,717.40

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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.