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Finding the Fourth Proportional to 88,623, 122,299.74 and 48,879

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Solution

The fourth proportional to 88,623, 122,299.74 and 48,879 is: 67,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,623 : 122,299.74 = 48,879 : x
  2. Step 2: Convert to fraction form
    88,623/122,299.74 = 48,879/x
  3. Step 3: Cross multiply
    88,623x = 122,299.74 × 48,879
  4. Step 4: Simplify right side
    88,623x = 5,977,888,991.46
  5. Step 5: Solve for x
    x = 5,977,888,991.46/88,623
  6. Step 6: Final answer
    x = 67,453.02

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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.