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Finding the Fourth Proportional to 104,692.53, 157,039.72 and 29,812.61

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Solution

The fourth proportional to 104,692.53, 157,039.72 and 29,812.61 is: 44,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,692.53 : 157,039.72 = 29,812.61 : x
  2. Step 2: Convert to fraction form
    104,692.53/157,039.72 = 29,812.61/x
  3. Step 3: Cross multiply
    104,692.53x = 157,039.72 × 29,812.61
  4. Step 4: Simplify right side
    104,692.53x = 4,681,764,412.63
  5. Step 5: Solve for x
    x = 4,681,764,412.63/104,692.53
  6. Step 6: Final answer
    x = 44,719.18

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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.