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Finding the Fourth Proportional to 88,409.75, 132,616 and 49,215.98

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Solution

The fourth proportional to 88,409.75, 132,616 and 49,215.98 is: 73,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,409.75 : 132,616 = 49,215.98 : x
  2. Step 2: Convert to fraction form
    88,409.75/132,616 = 49,215.98/x
  3. Step 3: Cross multiply
    88,409.75x = 132,616 × 49,215.98
  4. Step 4: Simplify right side
    88,409.75x = 6,526,826,403.68
  5. Step 5: Solve for x
    x = 6,526,826,403.68/88,409.75
  6. Step 6: Final answer
    x = 73,824.74

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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.