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Finding the Fourth Proportional to 251,635, 347,141.87 and 149,602.56

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Solution

The fourth proportional to 251,635, 347,141.87 and 149,602.56 is: 206,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,635 : 347,141.87 = 149,602.56 : x
  2. Step 2: Convert to fraction form
    251,635/347,141.87 = 149,602.56/x
  3. Step 3: Cross multiply
    251,635x = 347,141.87 × 149,602.56
  4. Step 4: Simplify right side
    251,635x = 51,933,312,435.19
  5. Step 5: Solve for x
    x = 51,933,312,435.19/251,635
  6. Step 6: Final answer
    x = 206,383.50

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1.5x scale

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.