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Finding the Fourth Proportional to 104,692.69, 156,907.81 and 52,117.21

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Solution

The fourth proportional to 104,692.69, 156,907.81 and 52,117.21 is: 78,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,692.69 : 156,907.81 = 52,117.21 : x
  2. Step 2: Convert to fraction form
    104,692.69/156,907.81 = 52,117.21/x
  3. Step 3: Cross multiply
    104,692.69x = 156,907.81 × 52,117.21
  4. Step 4: Simplify right side
    104,692.69x = 8,177,597,284.41
  5. Step 5: Solve for x
    x = 8,177,597,284.41/104,692.69
  6. Step 6: Final answer
    x = 78,110.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.