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Finding the Fourth Proportional to 243,915.10, 365,872.66 and 160,789.66

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Solution

The fourth proportional to 243,915.10, 365,872.66 and 160,789.66 is: 241,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,915.10 : 365,872.66 = 160,789.66 : x
  2. Step 2: Convert to fraction form
    243,915.10/365,872.66 = 160,789.66/x
  3. Step 3: Cross multiply
    243,915.10x = 365,872.66 × 160,789.66
  4. Step 4: Simplify right side
    243,915.10x = 58,828,540,604.70
  5. Step 5: Solve for x
    x = 58,828,540,604.70/243,915.10
  6. Step 6: Final answer
    x = 241,184.50

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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.