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Finding the Fourth Proportional to 104,676.73, 144,449.76 and 56,930.02

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Solution

The fourth proportional to 104,676.73, 144,449.76 and 56,930.02 is: 78,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.73 : 144,449.76 = 56,930.02 : x
  2. Step 2: Convert to fraction form
    104,676.73/144,449.76 = 56,930.02/x
  3. Step 3: Cross multiply
    104,676.73x = 144,449.76 × 56,930.02
  4. Step 4: Simplify right side
    104,676.73x = 8,223,527,725.80
  5. Step 5: Solve for x
    x = 8,223,527,725.80/104,676.73
  6. Step 6: Final answer
    x = 78,561.18

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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.