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Finding the Fourth Proportional to 157,714.88, 236,572.33 and 125,976.34

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Solution

The fourth proportional to 157,714.88, 236,572.33 and 125,976.34 is: 188,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,714.88 : 236,572.33 = 125,976.34 : x
  2. Step 2: Convert to fraction form
    157,714.88/236,572.33 = 125,976.34/x
  3. Step 3: Cross multiply
    157,714.88x = 236,572.33 × 125,976.34
  4. Step 4: Simplify right side
    157,714.88x = 29,802,515,057.36
  5. Step 5: Solve for x
    x = 29,802,515,057.36/157,714.88
  6. Step 6: Final answer
    x = 188,964.52

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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.