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Finding the Fourth Proportional to 243,915.85, 365,873.78 and 160,790.41

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Solution

The fourth proportional to 243,915.85, 365,873.78 and 160,790.41 is: 241,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,915.85 : 365,873.78 = 160,790.41 : x
  2. Step 2: Convert to fraction form
    243,915.85/365,873.78 = 160,790.41/x
  3. Step 3: Cross multiply
    243,915.85x = 365,873.78 × 160,790.41
  4. Step 4: Simplify right side
    243,915.85x = 58,828,995,953.77
  5. Step 5: Solve for x
    x = 58,828,995,953.77/243,915.85
  6. Step 6: Final answer
    x = 241,185.62

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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.