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Finding the Fourth Proportional to 216,334.76, 324,462.02 and 58,542.70

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Solution

The fourth proportional to 216,334.76, 324,462.02 and 58,542.70 is: 87,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,334.76 : 324,462.02 = 58,542.70 : x
  2. Step 2: Convert to fraction form
    216,334.76/324,462.02 = 58,542.70/x
  3. Step 3: Cross multiply
    216,334.76x = 324,462.02 × 58,542.70
  4. Step 4: Simplify right side
    216,334.76x = 18,994,882,698.25
  5. Step 5: Solve for x
    x = 18,994,882,698.25/216,334.76
  6. Step 6: Final answer
    x = 87,803.19

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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.