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Finding the Fourth Proportional to 251,657.67, 347,283.18 and 136,932.44

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Solution

The fourth proportional to 251,657.67, 347,283.18 and 136,932.44 is: 188,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,657.67 : 347,283.18 = 136,932.44 : x
  2. Step 2: Convert to fraction form
    251,657.67/347,283.18 = 136,932.44/x
  3. Step 3: Cross multiply
    251,657.67x = 347,283.18 × 136,932.44
  4. Step 4: Simplify right side
    251,657.67x = 47,554,331,471.94
  5. Step 5: Solve for x
    x = 47,554,331,471.94/251,657.67
  6. Step 6: Final answer
    x = 188,964.36

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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.