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Finding the Fourth Proportional to 177,159.60, 265,739.40 and 169,480.80

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Solution

The fourth proportional to 177,159.60, 265,739.40 and 169,480.80 is: 254,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,159.60 : 265,739.40 = 169,480.80 : x
  2. Step 2: Convert to fraction form
    177,159.60/265,739.40 = 169,480.80/x
  3. Step 3: Cross multiply
    177,159.60x = 265,739.40 × 169,480.80
  4. Step 4: Simplify right side
    177,159.60x = 45,037,726,103.52
  5. Step 5: Solve for x
    x = 45,037,726,103.52/177,159.60
  6. Step 6: Final answer
    x = 254,221.20

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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.