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Finding the Fourth Proportional to 169,673.60, 254,121.60 and 165,785.60

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Solution

The fourth proportional to 169,673.60, 254,121.60 and 165,785.60 is: 248,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,673.60 : 254,121.60 = 165,785.60 : x
  2. Step 2: Convert to fraction form
    169,673.60/254,121.60 = 165,785.60/x
  3. Step 3: Cross multiply
    169,673.60x = 254,121.60 × 165,785.60
  4. Step 4: Simplify right side
    169,673.60x = 42,129,701,928.96
  5. Step 5: Solve for x
    x = 42,129,701,928.96/169,673.60
  6. Step 6: Final answer
    x = 248,298.51

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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.