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Finding the Fourth Proportional to 88,706.26, 122,409.48 and 48,412

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Solution

The fourth proportional to 88,706.26, 122,409.48 and 48,412 is: 66,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.26 : 122,409.48 = 48,412 : x
  2. Step 2: Convert to fraction form
    88,706.26/122,409.48 = 48,412/x
  3. Step 3: Cross multiply
    88,706.26x = 122,409.48 × 48,412
  4. Step 4: Simplify right side
    88,706.26x = 5,926,087,745.76
  5. Step 5: Solve for x
    x = 5,926,087,745.76/88,706.26
  6. Step 6: Final answer
    x = 66,805.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.