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Finding the Fourth Proportional to 216,525.98, 324,750.66 and 58,766.72

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Solution

The fourth proportional to 216,525.98, 324,750.66 and 58,766.72 is: 88,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,525.98 : 324,750.66 = 58,766.72 : x
  2. Step 2: Convert to fraction form
    216,525.98/324,750.66 = 58,766.72/x
  3. Step 3: Cross multiply
    216,525.98x = 324,750.66 × 58,766.72
  4. Step 4: Simplify right side
    216,525.98x = 19,084,531,106.04
  5. Step 5: Solve for x
    x = 19,084,531,106.04/216,525.98
  6. Step 6: Final answer
    x = 88,139.68

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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.