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Finding the Fourth Proportional to 93,795.78, 129,450.50 and 53,500.29

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Solution

The fourth proportional to 93,795.78, 129,450.50 and 53,500.29 is: 73,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,795.78 : 129,450.50 = 53,500.29 : x
  2. Step 2: Convert to fraction form
    93,795.78/129,450.50 = 53,500.29/x
  3. Step 3: Cross multiply
    93,795.78x = 129,450.50 × 53,500.29
  4. Step 4: Simplify right side
    93,795.78x = 6,925,639,023.14
  5. Step 5: Solve for x
    x = 6,925,639,023.14/93,795.78
  6. Step 6: Final answer
    x = 73,837.43

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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.