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Finding the Fourth Proportional to 169,788.33, 254,503.86 and 57,361.95

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Solution

The fourth proportional to 169,788.33, 254,503.86 and 57,361.95 is: 85,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,788.33 : 254,503.86 = 57,361.95 : x
  2. Step 2: Convert to fraction form
    169,788.33/254,503.86 = 57,361.95/x
  3. Step 3: Cross multiply
    169,788.33x = 254,503.86 × 57,361.95
  4. Step 4: Simplify right side
    169,788.33x = 14,598,837,692.13
  5. Step 5: Solve for x
    x = 14,598,837,692.13/169,788.33
  6. Step 6: Final answer
    x = 85,982.57

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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.