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Finding the Fourth Proportional to 101,312.92, 151,876.48 and 38,936.44

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Solution

The fourth proportional to 101,312.92, 151,876.48 and 38,936.44 is: 58,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,312.92 : 151,876.48 = 38,936.44 : x
  2. Step 2: Convert to fraction form
    101,312.92/151,876.48 = 38,936.44/x
  3. Step 3: Cross multiply
    101,312.92x = 151,876.48 × 38,936.44
  4. Step 4: Simplify right side
    101,312.92x = 5,913,529,450.93
  5. Step 5: Solve for x
    x = 5,913,529,450.93/101,312.92
  6. Step 6: Final answer
    x = 58,368.96

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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.