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Finding the Fourth Proportional to 93,049.72, 139,629.28 and 33,888.96

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Solution

The fourth proportional to 93,049.72, 139,629.28 and 33,888.96 is: 50,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,049.72 : 139,629.28 = 33,888.96 : x
  2. Step 2: Convert to fraction form
    93,049.72/139,629.28 = 33,888.96/x
  3. Step 3: Cross multiply
    93,049.72x = 139,629.28 × 33,888.96
  4. Step 4: Simplify right side
    93,049.72x = 4,731,891,084.75
  5. Step 5: Solve for x
    x = 4,731,891,084.75/93,049.72
  6. Step 6: Final answer
    x = 50,853.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.