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Finding the Fourth Proportional to 275,210.89, 379,629.73 and 173,074.35

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Solution

The fourth proportional to 275,210.89, 379,629.73 and 173,074.35 is: 238,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,210.89 : 379,629.73 = 173,074.35 : x
  2. Step 2: Convert to fraction form
    275,210.89/379,629.73 = 173,074.35/x
  3. Step 3: Cross multiply
    275,210.89x = 379,629.73 × 173,074.35
  4. Step 4: Simplify right side
    275,210.89x = 65,704,166,862.28
  5. Step 5: Solve for x
    x = 65,704,166,862.28/275,210.89
  6. Step 6: Final answer
    x = 238,741.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.