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Finding the Fourth Proportional to 216,393.02, 324,564.42 and 58,633.38

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Solution

The fourth proportional to 216,393.02, 324,564.42 and 58,633.38 is: 87,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,393.02 : 324,564.42 = 58,633.38 : x
  2. Step 2: Convert to fraction form
    216,393.02/324,564.42 = 58,633.38/x
  3. Step 3: Cross multiply
    216,393.02x = 324,564.42 × 58,633.38
  4. Step 4: Simplify right side
    216,393.02x = 19,030,308,972.34
  5. Step 5: Solve for x
    x = 19,030,308,972.34/216,393.02
  6. Step 6: Final answer
    x = 87,943.27

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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.