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Finding the Fourth Proportional to 216,194.76, 324,299.43 and 58,424.58

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Solution

The fourth proportional to 216,194.76, 324,299.43 and 58,424.58 is: 87,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,194.76 : 324,299.43 = 58,424.58 : x
  2. Step 2: Convert to fraction form
    216,194.76/324,299.43 = 58,424.58/x
  3. Step 3: Cross multiply
    216,194.76x = 324,299.43 × 58,424.58
  4. Step 4: Simplify right side
    216,194.76x = 18,947,057,991.99
  5. Step 5: Solve for x
    x = 18,947,057,991.99/216,194.76
  6. Step 6: Final answer
    x = 87,638.84

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1.5x scale

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.