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Finding the Fourth Proportional to 93,930.73, 129,619.71 and 53,093.97

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Solution

The fourth proportional to 93,930.73, 129,619.71 and 53,093.97 is: 73,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,930.73 : 129,619.71 = 53,093.97 : x
  2. Step 2: Convert to fraction form
    93,930.73/129,619.71 = 53,093.97/x
  3. Step 3: Cross multiply
    93,930.73x = 129,619.71 × 53,093.97
  4. Step 4: Simplify right side
    93,930.73x = 6,882,024,994.15
  5. Step 5: Solve for x
    x = 6,882,024,994.15/93,930.73
  6. Step 6: Final answer
    x = 73,267.03

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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.