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Finding the Fourth Proportional to 226,714.20, 340,056.90 and 76,954.20

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Solution

The fourth proportional to 226,714.20, 340,056.90 and 76,954.20 is: 115,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,714.20 : 340,056.90 = 76,954.20 : x
  2. Step 2: Convert to fraction form
    226,714.20/340,056.90 = 76,954.20/x
  3. Step 3: Cross multiply
    226,714.20x = 340,056.90 × 76,954.20
  4. Step 4: Simplify right side
    226,714.20x = 26,168,806,693.98
  5. Step 5: Solve for x
    x = 26,168,806,693.98/226,714.20
  6. Step 6: Final answer
    x = 115,426.41

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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.