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Finding the Fourth Proportional to 109,313.98, 163,832.82 and 58,586.94

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Solution

The fourth proportional to 109,313.98, 163,832.82 and 58,586.94 is: 87,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,313.98 : 163,832.82 = 58,586.94 : x
  2. Step 2: Convert to fraction form
    109,313.98/163,832.82 = 58,586.94/x
  3. Step 3: Cross multiply
    109,313.98x = 163,832.82 × 58,586.94
  4. Step 4: Simplify right side
    109,313.98x = 9,598,463,595.37
  5. Step 5: Solve for x
    x = 9,598,463,595.37/109,313.98
  6. Step 6: Final answer
    x = 87,806.37

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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.