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Finding the Fourth Proportional to 71,628.95, 107,295.77 and 41,956.83

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Solution

The fourth proportional to 71,628.95, 107,295.77 and 41,956.83 is: 62,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,628.95 : 107,295.77 = 41,956.83 : x
  2. Step 2: Convert to fraction form
    71,628.95/107,295.77 = 41,956.83/x
  3. Step 3: Cross multiply
    71,628.95x = 107,295.77 × 41,956.83
  4. Step 4: Simplify right side
    71,628.95x = 4,501,790,486.50
  5. Step 5: Solve for x
    x = 4,501,790,486.50/71,628.95
  6. Step 6: Final answer
    x = 62,848.75

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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.