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Finding the Fourth Proportional to 253,414.58, 349,677.50 and 151,418.50

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Solution

The fourth proportional to 253,414.58, 349,677.50 and 151,418.50 is: 208,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,414.58 : 349,677.50 = 151,418.50 : x
  2. Step 2: Convert to fraction form
    253,414.58/349,677.50 = 151,418.50/x
  3. Step 3: Cross multiply
    253,414.58x = 349,677.50 × 151,418.50
  4. Step 4: Simplify right side
    253,414.58x = 52,947,640,902.46
  5. Step 5: Solve for x
    x = 52,947,640,902.46/253,414.58
  6. Step 6: Final answer
    x = 208,936.84

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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.