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Finding the Fourth Proportional to 167,557.60, 251,409.30 and 84,451.60

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Solution

The fourth proportional to 167,557.60, 251,409.30 and 84,451.60 is: 126,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,557.60 : 251,409.30 = 84,451.60 : x
  2. Step 2: Convert to fraction form
    167,557.60/251,409.30 = 84,451.60/x
  3. Step 3: Cross multiply
    167,557.60x = 251,409.30 × 84,451.60
  4. Step 4: Simplify right side
    167,557.60x = 21,231,917,639.88
  5. Step 5: Solve for x
    x = 21,231,917,639.88/167,557.60
  6. Step 6: Final answer
    x = 126,714.14

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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.