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Finding the Fourth Proportional to 373,913.88, 560,872.26 and 93,431.40

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Solution

The fourth proportional to 373,913.88, 560,872.26 and 93,431.40 is: 140,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,913.88 : 560,872.26 = 93,431.40 : x
  2. Step 2: Convert to fraction form
    373,913.88/560,872.26 = 93,431.40/x
  3. Step 3: Cross multiply
    373,913.88x = 560,872.26 × 93,431.40
  4. Step 4: Simplify right side
    373,913.88x = 52,403,080,472.96
  5. Step 5: Solve for x
    x = 52,403,080,472.96/373,913.88
  6. Step 6: Final answer
    x = 140,147.46

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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.