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Finding the Fourth Proportional to 135,957.85, 203,965.95 and 57,026.59

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Solution

The fourth proportional to 135,957.85, 203,965.95 and 57,026.59 is: 85,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,957.85 : 203,965.95 = 57,026.59 : x
  2. Step 2: Convert to fraction form
    135,957.85/203,965.95 = 57,026.59/x
  3. Step 3: Cross multiply
    135,957.85x = 203,965.95 × 57,026.59
  4. Step 4: Simplify right side
    135,957.85x = 11,631,482,604.61
  5. Step 5: Solve for x
    x = 11,631,482,604.61/135,957.85
  6. Step 6: Final answer
    x = 85,552.12

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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.