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Finding the Fourth Proportional to 135,888.98, 203,625.63 and 56,960.15

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Solution

The fourth proportional to 135,888.98, 203,625.63 and 56,960.15 is: 85,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.98 : 203,625.63 = 56,960.15 : x
  2. Step 2: Convert to fraction form
    135,888.98/203,625.63 = 56,960.15/x
  3. Step 3: Cross multiply
    135,888.98x = 203,625.63 × 56,960.15
  4. Step 4: Simplify right side
    135,888.98x = 11,598,545,410.52
  5. Step 5: Solve for x
    x = 11,598,545,410.52/135,888.98
  6. Step 6: Final answer
    x = 85,353.10

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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.