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Finding the Fourth Proportional to 255,251.67, 382,848.48 and 68,277.75

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Solution

The fourth proportional to 255,251.67, 382,848.48 and 68,277.75 is: 102,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,251.67 : 382,848.48 = 68,277.75 : x
  2. Step 2: Convert to fraction form
    255,251.67/382,848.48 = 68,277.75/x
  3. Step 3: Cross multiply
    255,251.67x = 382,848.48 × 68,277.75
  4. Step 4: Simplify right side
    255,251.67x = 26,140,032,805.32
  5. Step 5: Solve for x
    x = 26,140,032,805.32/255,251.67
  6. Step 6: Final answer
    x = 102,408.86

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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.