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Finding the Fourth Proportional to 238,982.94, 358,532.73 and 72,770.94

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Solution

The fourth proportional to 238,982.94, 358,532.73 and 72,770.94 is: 109,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,982.94 : 358,532.73 = 72,770.94 : x
  2. Step 2: Convert to fraction form
    238,982.94/358,532.73 = 72,770.94/x
  3. Step 3: Cross multiply
    238,982.94x = 358,532.73 × 72,770.94
  4. Step 4: Simplify right side
    238,982.94x = 26,090,763,782.87
  5. Step 5: Solve for x
    x = 26,090,763,782.87/238,982.94
  6. Step 6: Final answer
    x = 109,174.17

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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.