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Finding the Fourth Proportional to 93,896, 129,576.48 and 54,152

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Solution

The fourth proportional to 93,896, 129,576.48 and 54,152 is: 74,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,896 : 129,576.48 = 54,152 : x
  2. Step 2: Convert to fraction form
    93,896/129,576.48 = 54,152/x
  3. Step 3: Cross multiply
    93,896x = 129,576.48 × 54,152
  4. Step 4: Simplify right side
    93,896x = 7,016,825,544.96
  5. Step 5: Solve for x
    x = 7,016,825,544.96/93,896
  6. Step 6: Final answer
    x = 74,729.76

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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.