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Finding the Fourth Proportional to 177,063.52, 265,573.26 and 71,781.34

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Solution

The fourth proportional to 177,063.52, 265,573.26 and 71,781.34 is: 107,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,063.52 : 265,573.26 = 71,781.34 : x
  2. Step 2: Convert to fraction form
    177,063.52/265,573.26 = 71,781.34/x
  3. Step 3: Cross multiply
    177,063.52x = 265,573.26 × 71,781.34
  4. Step 4: Simplify right side
    177,063.52x = 19,063,204,470.97
  5. Step 5: Solve for x
    x = 19,063,204,470.97/177,063.52
  6. Step 6: Final answer
    x = 107,663.08

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1.5x scale

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.