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Finding the Fourth Proportional to 169,649.64, 254,521.44 and 51,321.60

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Solution

The fourth proportional to 169,649.64, 254,521.44 and 51,321.60 is: 76,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,649.64 : 254,521.44 = 51,321.60 : x
  2. Step 2: Convert to fraction form
    169,649.64/254,521.44 = 51,321.60/x
  3. Step 3: Cross multiply
    169,649.64x = 254,521.44 × 51,321.60
  4. Step 4: Simplify right side
    169,649.64x = 13,062,447,535.10
  5. Step 5: Solve for x
    x = 13,062,447,535.10/169,649.64
  6. Step 6: Final answer
    x = 76,996.61

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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.