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Finding the Fourth Proportional to 373,728.60, 560,259.60 and 137,016.12

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Solution

The fourth proportional to 373,728.60, 560,259.60 and 137,016.12 is: 205,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,728.60 : 560,259.60 = 137,016.12 : x
  2. Step 2: Convert to fraction form
    373,728.60/560,259.60 = 137,016.12/x
  3. Step 3: Cross multiply
    373,728.60x = 560,259.60 × 137,016.12
  4. Step 4: Simplify right side
    373,728.60x = 76,764,596,584.75
  5. Step 5: Solve for x
    x = 76,764,596,584.75/373,728.60
  6. Step 6: Final answer
    x = 205,401.99

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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.