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Finding the Fourth Proportional to 88,689.14, 122,391.23 and 50,447.82

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Solution

The fourth proportional to 88,689.14, 122,391.23 and 50,447.82 is: 69,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689.14 : 122,391.23 = 50,447.82 : x
  2. Step 2: Convert to fraction form
    88,689.14/122,391.23 = 50,447.82/x
  3. Step 3: Cross multiply
    88,689.14x = 122,391.23 × 50,447.82
  4. Step 4: Simplify right side
    88,689.14x = 6,174,370,488.38
  5. Step 5: Solve for x
    x = 6,174,370,488.38/88,689.14
  6. Step 6: Final answer
    x = 69,618.12

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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.