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Finding the Fourth Proportional to 216,059.82, 324,095.71 and 58,287.81

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Solution

The fourth proportional to 216,059.82, 324,095.71 and 58,287.81 is: 87,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,059.82 : 324,095.71 = 58,287.81 : x
  2. Step 2: Convert to fraction form
    216,059.82/324,095.71 = 58,287.81/x
  3. Step 3: Cross multiply
    216,059.82x = 324,095.71 × 58,287.81
  4. Step 4: Simplify right side
    216,059.82x = 18,890,829,166.30
  5. Step 5: Solve for x
    x = 18,890,829,166.30/216,059.82
  6. Step 6: Final answer
    x = 87,433.33

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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.