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Finding the Fourth Proportional to 245,748.69, 368,755.47 and 103,692.42

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Solution

The fourth proportional to 245,748.69, 368,755.47 and 103,692.42 is: 155,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,748.69 : 368,755.47 = 103,692.42 : x
  2. Step 2: Convert to fraction form
    245,748.69/368,755.47 = 103,692.42/x
  3. Step 3: Cross multiply
    245,748.69x = 368,755.47 × 103,692.42
  4. Step 4: Simplify right side
    245,748.69x = 38,237,147,072.54
  5. Step 5: Solve for x
    x = 38,237,147,072.54/245,748.69
  6. Step 6: Final answer
    x = 155,594.51

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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.