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Finding the Fourth Proportional to 96,679.40, 144,942.30 and 52,903.40

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Solution

The fourth proportional to 96,679.40, 144,942.30 and 52,903.40 is: 79,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,679.40 : 144,942.30 = 52,903.40 : x
  2. Step 2: Convert to fraction form
    96,679.40/144,942.30 = 52,903.40/x
  3. Step 3: Cross multiply
    96,679.40x = 144,942.30 × 52,903.40
  4. Step 4: Simplify right side
    96,679.40x = 7,667,940,473.82
  5. Step 5: Solve for x
    x = 7,667,940,473.82/96,679.40
  6. Step 6: Final answer
    x = 79,313.07

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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.