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Finding the Fourth Proportional to 101,162.94, 151,763.94 and 38,828.58

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Solution

The fourth proportional to 101,162.94, 151,763.94 and 38,828.58 is: 58,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,162.94 : 151,763.94 = 38,828.58 : x
  2. Step 2: Convert to fraction form
    101,162.94/151,763.94 = 38,828.58/x
  3. Step 3: Cross multiply
    101,162.94x = 151,763.94 × 38,828.58
  4. Step 4: Simplify right side
    101,162.94x = 5,892,778,285.41
  5. Step 5: Solve for x
    x = 5,892,778,285.41/101,162.94
  6. Step 6: Final answer
    x = 58,250.37

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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.