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Finding the Fourth Proportional to 255,559.98, 383,517.84 and 105,801.04

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Solution

The fourth proportional to 255,559.98, 383,517.84 and 105,801.04 is: 158,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,559.98 : 383,517.84 = 105,801.04 : x
  2. Step 2: Convert to fraction form
    255,559.98/383,517.84 = 105,801.04/x
  3. Step 3: Cross multiply
    255,559.98x = 383,517.84 × 105,801.04
  4. Step 4: Simplify right side
    255,559.98x = 40,576,585,801.55
  5. Step 5: Solve for x
    x = 40,576,585,801.55/255,559.98
  6. Step 6: Final answer
    x = 158,775.20

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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.