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Finding the Fourth Proportional to 114,714.63, 158,306.94 and 63,726.75

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Solution

The fourth proportional to 114,714.63, 158,306.94 and 63,726.75 is: 87,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,714.63 : 158,306.94 = 63,726.75 : x
  2. Step 2: Convert to fraction form
    114,714.63/158,306.94 = 63,726.75/x
  3. Step 3: Cross multiply
    114,714.63x = 158,306.94 × 63,726.75
  4. Step 4: Simplify right side
    114,714.63x = 10,088,386,788.65
  5. Step 5: Solve for x
    x = 10,088,386,788.65/114,714.63
  6. Step 6: Final answer
    x = 87,943.33

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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.