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Finding the Fourth Proportional to 169,998.32, 254,764.20 and 107,557.04

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Solution

The fourth proportional to 169,998.32, 254,764.20 and 107,557.04 is: 161,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,998.32 : 254,764.20 = 107,557.04 : x
  2. Step 2: Convert to fraction form
    169,998.32/254,764.20 = 107,557.04/x
  3. Step 3: Cross multiply
    169,998.32x = 254,764.20 × 107,557.04
  4. Step 4: Simplify right side
    169,998.32x = 27,401,683,249.97
  5. Step 5: Solve for x
    x = 27,401,683,249.97/169,998.32
  6. Step 6: Final answer
    x = 161,187.96

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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.