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Finding the Fourth Proportional to 216,095.92, 324,143.94 and 58,324.36

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Solution

The fourth proportional to 216,095.92, 324,143.94 and 58,324.36 is: 87,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,095.92 : 324,143.94 = 58,324.36 : x
  2. Step 2: Convert to fraction form
    216,095.92/324,143.94 = 58,324.36/x
  3. Step 3: Cross multiply
    216,095.92x = 324,143.94 × 58,324.36
  4. Step 4: Simplify right side
    216,095.92x = 18,905,487,848.38
  5. Step 5: Solve for x
    x = 18,905,487,848.38/216,095.92
  6. Step 6: Final answer
    x = 87,486.56

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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.