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Finding the Fourth Proportional to 114,714.66, 158,301.09 and 63,730.97

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Solution

The fourth proportional to 114,714.66, 158,301.09 and 63,730.97 is: 87,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,714.66 : 158,301.09 = 63,730.97 : x
  2. Step 2: Convert to fraction form
    114,714.66/158,301.09 = 63,730.97/x
  3. Step 3: Cross multiply
    114,714.66x = 158,301.09 × 63,730.97
  4. Step 4: Simplify right side
    114,714.66x = 10,088,681,226.25
  5. Step 5: Solve for x
    x = 10,088,681,226.25/114,714.66
  6. Step 6: Final answer
    x = 87,945.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.