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Finding the Fourth Proportional to 169,263.04, 253,884.48 and 75,743.68

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Solution

The fourth proportional to 169,263.04, 253,884.48 and 75,743.68 is: 113,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,263.04 : 253,884.48 = 75,743.68 : x
  2. Step 2: Convert to fraction form
    169,263.04/253,884.48 = 75,743.68/x
  3. Step 3: Cross multiply
    169,263.04x = 253,884.48 × 75,743.68
  4. Step 4: Simplify right side
    169,263.04x = 19,230,144,810.09
  5. Step 5: Solve for x
    x = 19,230,144,810.09/169,263.04
  6. Step 6: Final answer
    x = 113,611.01

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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.