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Finding the Fourth Proportional to 285,940.22, 428,611.04 and 96,335.07

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Solution

The fourth proportional to 285,940.22, 428,611.04 and 96,335.07 is: 144,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,940.22 : 428,611.04 = 96,335.07 : x
  2. Step 2: Convert to fraction form
    285,940.22/428,611.04 = 96,335.07/x
  3. Step 3: Cross multiply
    285,940.22x = 428,611.04 × 96,335.07
  4. Step 4: Simplify right side
    285,940.22x = 41,290,274,541.17
  5. Step 5: Solve for x
    x = 41,290,274,541.17/285,940.22
  6. Step 6: Final answer
    x = 144,401.77

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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.