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Finding the Fourth Proportional to 170,273.48, 255,408.80 and 63,684.32

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Solution

The fourth proportional to 170,273.48, 255,408.80 and 63,684.32 is: 95,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,273.48 : 255,408.80 = 63,684.32 : x
  2. Step 2: Convert to fraction form
    170,273.48/255,408.80 = 63,684.32/x
  3. Step 3: Cross multiply
    170,273.48x = 255,408.80 × 63,684.32
  4. Step 4: Simplify right side
    170,273.48x = 16,265,535,750.02
  5. Step 5: Solve for x
    x = 16,265,535,750.02/170,273.48
  6. Step 6: Final answer
    x = 95,525.95

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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.