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Finding the Fourth Proportional to 373,960.72, 560,775.03 and 107,659.05

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Solution

The fourth proportional to 373,960.72, 560,775.03 and 107,659.05 is: 161,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,960.72 : 560,775.03 = 107,659.05 : x
  2. Step 2: Convert to fraction form
    373,960.72/560,775.03 = 107,659.05/x
  3. Step 3: Cross multiply
    373,960.72x = 560,775.03 × 107,659.05
  4. Step 4: Simplify right side
    373,960.72x = 60,372,506,993.52
  5. Step 5: Solve for x
    x = 60,372,506,993.52/373,960.72
  6. Step 6: Final answer
    x = 161,440.77

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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.