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Finding the Fourth Proportional to 89,079.65, 122,929.89 and 48,795.92

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Solution

The fourth proportional to 89,079.65, 122,929.89 and 48,795.92 is: 67,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.65 : 122,929.89 = 48,795.92 : x
  2. Step 2: Convert to fraction form
    89,079.65/122,929.89 = 48,795.92/x
  3. Step 3: Cross multiply
    89,079.65x = 122,929.89 × 48,795.92
  4. Step 4: Simplify right side
    89,079.65x = 5,998,477,078.05
  5. Step 5: Solve for x
    x = 5,998,477,078.05/89,079.65
  6. Step 6: Final answer
    x = 67,338.35

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