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Finding the Fourth Proportional to 69,042.60, 95,207.94 and 48,894.12

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Solution

The fourth proportional to 69,042.60, 95,207.94 and 48,894.12 is: 67,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,042.60 : 95,207.94 = 48,894.12 : x
  2. Step 2: Convert to fraction form
    69,042.60/95,207.94 = 48,894.12/x
  3. Step 3: Cross multiply
    69,042.60x = 95,207.94 × 48,894.12
  4. Step 4: Simplify right side
    69,042.60x = 4,655,108,443.31
  5. Step 5: Solve for x
    x = 4,655,108,443.31/69,042.60
  6. Step 6: Final answer
    x = 67,423.71

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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.