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Finding the Fourth Proportional to 88,999.81, 122,819.88 and 48,716.12

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Solution

The fourth proportional to 88,999.81, 122,819.88 and 48,716.12 is: 67,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999.81 : 122,819.88 = 48,716.12 : x
  2. Step 2: Convert to fraction form
    88,999.81/122,819.88 = 48,716.12/x
  3. Step 3: Cross multiply
    88,999.81x = 122,819.88 × 48,716.12
  4. Step 4: Simplify right side
    88,999.81x = 5,983,308,502.20
  5. Step 5: Solve for x
    x = 5,983,308,502.20/88,999.81
  6. Step 6: Final answer
    x = 67,228.33

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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.