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Finding the Fourth Proportional to 169,261.04, 253,881.48 and 75,741.68

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Solution

The fourth proportional to 169,261.04, 253,881.48 and 75,741.68 is: 113,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,261.04 : 253,881.48 = 75,741.68 : x
  2. Step 2: Convert to fraction form
    169,261.04/253,881.48 = 75,741.68/x
  3. Step 3: Cross multiply
    169,261.04x = 253,881.48 × 75,741.68
  4. Step 4: Simplify right side
    169,261.04x = 19,229,409,816.09
  5. Step 5: Solve for x
    x = 19,229,409,816.09/169,261.04
  6. Step 6: Final answer
    x = 113,608.01

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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.