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Finding the Fourth Proportional to 216,004.68, 324,004.30 and 73,848.52

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Solution

The fourth proportional to 216,004.68, 324,004.30 and 73,848.52 is: 110,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,004.68 : 324,004.30 = 73,848.52 : x
  2. Step 2: Convert to fraction form
    216,004.68/324,004.30 = 73,848.52/x
  3. Step 3: Cross multiply
    216,004.68x = 324,004.30 × 73,848.52
  4. Step 4: Simplify right side
    216,004.68x = 23,927,238,028.64
  5. Step 5: Solve for x
    x = 23,927,238,028.64/216,004.68
  6. Step 6: Final answer
    x = 110,771.85

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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.