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Finding the Fourth Proportional to 177,123.60, 265,685.40 and 169,750.80

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Solution

The fourth proportional to 177,123.60, 265,685.40 and 169,750.80 is: 254,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,123.60 : 265,685.40 = 169,750.80 : x
  2. Step 2: Convert to fraction form
    177,123.60/265,685.40 = 169,750.80/x
  3. Step 3: Cross multiply
    177,123.60x = 265,685.40 × 169,750.80
  4. Step 4: Simplify right side
    177,123.60x = 45,100,309,198.32
  5. Step 5: Solve for x
    x = 45,100,309,198.32/177,123.60
  6. Step 6: Final answer
    x = 254,626.20

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1.5x scale

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.