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Finding the Fourth Proportional to 136,259.68, 204,132.32 and 69,741.96

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Solution

The fourth proportional to 136,259.68, 204,132.32 and 69,741.96 is: 104,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,259.68 : 204,132.32 = 69,741.96 : x
  2. Step 2: Convert to fraction form
    136,259.68/204,132.32 = 69,741.96/x
  3. Step 3: Cross multiply
    136,259.68x = 204,132.32 × 69,741.96
  4. Step 4: Simplify right side
    136,259.68x = 14,236,588,096.15
  5. Step 5: Solve for x
    x = 14,236,588,096.15/136,259.68
  6. Step 6: Final answer
    x = 104,481.30

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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.