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Finding the Fourth Proportional to 104,572.69, 156,858.64 and 29,692.84

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Solution

The fourth proportional to 104,572.69, 156,858.64 and 29,692.84 is: 44,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.69 : 156,858.64 = 29,692.84 : x
  2. Step 2: Convert to fraction form
    104,572.69/156,858.64 = 29,692.84/x
  3. Step 3: Cross multiply
    104,572.69x = 156,858.64 × 29,692.84
  4. Step 4: Simplify right side
    104,572.69x = 4,657,578,500.14
  5. Step 5: Solve for x
    x = 4,657,578,500.14/104,572.69
  6. Step 6: Final answer
    x = 44,539.15

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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.