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Finding the Fourth Proportional to 169,409.68, 254,160.99 and 137,741.01

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Solution

The fourth proportional to 169,409.68, 254,160.99 and 137,741.01 is: 206,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,409.68 : 254,160.99 = 137,741.01 : x
  2. Step 2: Convert to fraction form
    169,409.68/254,160.99 = 137,741.01/x
  3. Step 3: Cross multiply
    169,409.68x = 254,160.99 × 137,741.01
  4. Step 4: Simplify right side
    169,409.68x = 35,008,390,512.10
  5. Step 5: Solve for x
    x = 35,008,390,512.10/169,409.68
  6. Step 6: Final answer
    x = 206,649.30

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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.