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Finding the Fourth Proportional to 146,178.52, 201,726.38 and 79,110.52

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Solution

The fourth proportional to 146,178.52, 201,726.38 and 79,110.52 is: 109,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,178.52 : 201,726.38 = 79,110.52 : x
  2. Step 2: Convert to fraction form
    146,178.52/201,726.38 = 79,110.52/x
  3. Step 3: Cross multiply
    146,178.52x = 201,726.38 × 79,110.52
  4. Step 4: Simplify right side
    146,178.52x = 15,958,678,819.52
  5. Step 5: Solve for x
    x = 15,958,678,819.52/146,178.52
  6. Step 6: Final answer
    x = 109,172.53

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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.