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Finding the Fourth Proportional to 174,682.70, 262,024.05 and 121,538.60

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Solution

The fourth proportional to 174,682.70, 262,024.05 and 121,538.60 is: 182,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,682.70 : 262,024.05 = 121,538.60 : x
  2. Step 2: Convert to fraction form
    174,682.70/262,024.05 = 121,538.60/x
  3. Step 3: Cross multiply
    174,682.70x = 262,024.05 × 121,538.60
  4. Step 4: Simplify right side
    174,682.70x = 31,846,036,203.33
  5. Step 5: Solve for x
    x = 31,846,036,203.33/174,682.70
  6. Step 6: Final answer
    x = 182,307.90

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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.