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Finding the Fourth Proportional to 173,815.88, 260,725.90 and 55,486.60

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Solution

The fourth proportional to 173,815.88, 260,725.90 and 55,486.60 is: 83,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,815.88 : 260,725.90 = 55,486.60 : x
  2. Step 2: Convert to fraction form
    173,815.88/260,725.90 = 55,486.60/x
  3. Step 3: Cross multiply
    173,815.88x = 260,725.90 × 55,486.60
  4. Step 4: Simplify right side
    173,815.88x = 14,466,793,722.94
  5. Step 5: Solve for x
    x = 14,466,793,722.94/173,815.88
  6. Step 6: Final answer
    x = 83,230.56

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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.