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Finding the Fourth Proportional to 295,599.36, 443,464.62 and 85,220.88

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Solution

The fourth proportional to 295,599.36, 443,464.62 and 85,220.88 is: 127,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,599.36 : 443,464.62 = 85,220.88 : x
  2. Step 2: Convert to fraction form
    295,599.36/443,464.62 = 85,220.88/x
  3. Step 3: Cross multiply
    295,599.36x = 443,464.62 × 85,220.88
  4. Step 4: Simplify right side
    295,599.36x = 37,792,445,165.27
  5. Step 5: Solve for x
    x = 37,792,445,165.27/295,599.36
  6. Step 6: Final answer
    x = 127,850.23

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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.