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Finding the Fourth Proportional to 103,313.52, 154,916.51 and 36,743.94

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Solution

The fourth proportional to 103,313.52, 154,916.51 and 36,743.94 is: 55,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,313.52 : 154,916.51 = 36,743.94 : x
  2. Step 2: Convert to fraction form
    103,313.52/154,916.51 = 36,743.94/x
  3. Step 3: Cross multiply
    103,313.52x = 154,916.51 × 36,743.94
  4. Step 4: Simplify right side
    103,313.52x = 5,692,242,764.73
  5. Step 5: Solve for x
    x = 5,692,242,764.73/103,313.52
  6. Step 6: Final answer
    x = 55,096.78

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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.