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Finding the Fourth Proportional to 226,714.04, 339,953.86 and 66,769.16

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Solution

The fourth proportional to 226,714.04, 339,953.86 and 66,769.16 is: 100,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,714.04 : 339,953.86 = 66,769.16 : x
  2. Step 2: Convert to fraction form
    226,714.04/339,953.86 = 66,769.16/x
  3. Step 3: Cross multiply
    226,714.04x = 339,953.86 × 66,769.16
  4. Step 4: Simplify right side
    226,714.04x = 22,698,433,670.96
  5. Step 5: Solve for x
    x = 22,698,433,670.96/226,714.04
  6. Step 6: Final answer
    x = 100,119.22

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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.