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Finding the Fourth Proportional to 159,113.75, 238,608.11 and 57,887.75

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Solution

The fourth proportional to 159,113.75, 238,608.11 and 57,887.75 is: 86,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,113.75 : 238,608.11 = 57,887.75 : x
  2. Step 2: Convert to fraction form
    159,113.75/238,608.11 = 57,887.75/x
  3. Step 3: Cross multiply
    159,113.75x = 238,608.11 × 57,887.75
  4. Step 4: Simplify right side
    159,113.75x = 13,812,485,137.17
  5. Step 5: Solve for x
    x = 13,812,485,137.17/159,113.75
  6. Step 6: Final answer
    x = 86,808.87

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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.