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Finding the Fourth Proportional to 216,554, 324,825.54 and 58,778.36

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Solution

The fourth proportional to 216,554, 324,825.54 and 58,778.36 is: 88,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,554 : 324,825.54 = 58,778.36 : x
  2. Step 2: Convert to fraction form
    216,554/324,825.54 = 58,778.36/x
  3. Step 3: Cross multiply
    216,554x = 324,825.54 × 58,778.36
  4. Step 4: Simplify right side
    216,554x = 19,092,712,527.31
  5. Step 5: Solve for x
    x = 19,092,712,527.31/216,554
  6. Step 6: Final answer
    x = 88,166.06

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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.