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Finding the Fourth Proportional to 550,551.96, 825,729.21 and 151,140.15

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Solution

The fourth proportional to 550,551.96, 825,729.21 and 151,140.15 is: 226,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,551.96 : 825,729.21 = 151,140.15 : x
  2. Step 2: Convert to fraction form
    550,551.96/825,729.21 = 151,140.15/x
  3. Step 3: Cross multiply
    550,551.96x = 825,729.21 × 151,140.15
  4. Step 4: Simplify right side
    550,551.96x = 124,800,836,658.78
  5. Step 5: Solve for x
    x = 124,800,836,658.78/550,551.96
  6. Step 6: Final answer
    x = 226,683.12

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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.