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Finding the Fourth Proportional to 159,171.75, 238,759.25 and 48,363.75

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Solution

The fourth proportional to 159,171.75, 238,759.25 and 48,363.75 is: 72,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,171.75 : 238,759.25 = 48,363.75 : x
  2. Step 2: Convert to fraction form
    159,171.75/238,759.25 = 48,363.75/x
  3. Step 3: Cross multiply
    159,171.75x = 238,759.25 × 48,363.75
  4. Step 4: Simplify right side
    159,171.75x = 11,547,292,435.37
  5. Step 5: Solve for x
    x = 11,547,292,435.37/159,171.75
  6. Step 6: Final answer
    x = 72,546.12

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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.