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Finding the Fourth Proportional to 169,831.60, 254,455.80 and 110,636.80

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Solution

The fourth proportional to 169,831.60, 254,455.80 and 110,636.80 is: 165,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,831.60 : 254,455.80 = 110,636.80 : x
  2. Step 2: Convert to fraction form
    169,831.60/254,455.80 = 110,636.80/x
  3. Step 3: Cross multiply
    169,831.60x = 254,455.80 × 110,636.80
  4. Step 4: Simplify right side
    169,831.60x = 28,152,175,453.44
  5. Step 5: Solve for x
    x = 28,152,175,453.44/169,831.60
  6. Step 6: Final answer
    x = 165,765.24

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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.