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Finding the Fourth Proportional to 173,722.60, 260,778.30 and 134,453.80

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Solution

The fourth proportional to 173,722.60, 260,778.30 and 134,453.80 is: 201,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,722.60 : 260,778.30 = 134,453.80 : x
  2. Step 2: Convert to fraction form
    173,722.60/260,778.30 = 134,453.80/x
  3. Step 3: Cross multiply
    173,722.60x = 260,778.30 × 134,453.80
  4. Step 4: Simplify right side
    173,722.60x = 35,062,633,392.54
  5. Step 5: Solve for x
    x = 35,062,633,392.54/173,722.60
  6. Step 6: Final answer
    x = 201,831.16

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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.