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Finding the Fourth Proportional to 88,359.83, 121,935.22 and 48,072.67

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Solution

The fourth proportional to 88,359.83, 121,935.22 and 48,072.67 is: 66,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,359.83 : 121,935.22 = 48,072.67 : x
  2. Step 2: Convert to fraction form
    88,359.83/121,935.22 = 48,072.67/x
  3. Step 3: Cross multiply
    88,359.83x = 121,935.22 × 48,072.67
  4. Step 4: Simplify right side
    88,359.83x = 5,861,751,592.44
  5. Step 5: Solve for x
    x = 5,861,751,592.44/88,359.83
  6. Step 6: Final answer
    x = 66,339.55

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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.