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Finding the Fourth Proportional to 169,009.60, 253,527.60 and 75,524.80

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Solution

The fourth proportional to 169,009.60, 253,527.60 and 75,524.80 is: 113,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,009.60 : 253,527.60 = 75,524.80 : x
  2. Step 2: Convert to fraction form
    169,009.60/253,527.60 = 75,524.80/x
  3. Step 3: Cross multiply
    169,009.60x = 253,527.60 × 75,524.80
  4. Step 4: Simplify right side
    169,009.60x = 19,147,621,284.48
  5. Step 5: Solve for x
    x = 19,147,621,284.48/169,009.60
  6. Step 6: Final answer
    x = 113,293.10

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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.