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Finding the Fourth Proportional to 176,709.80, 265,063.46 and 71,527.26

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Solution

The fourth proportional to 176,709.80, 265,063.46 and 71,527.26 is: 107,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,709.80 : 265,063.46 = 71,527.26 : x
  2. Step 2: Convert to fraction form
    176,709.80/265,063.46 = 71,527.26/x
  3. Step 3: Cross multiply
    176,709.80x = 265,063.46 × 71,527.26
  4. Step 4: Simplify right side
    176,709.80x = 18,959,263,019.92
  5. Step 5: Solve for x
    x = 18,959,263,019.92/176,709.80
  6. Step 6: Final answer
    x = 107,290.39

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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.