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Finding the Fourth Proportional to 223,865.42, 335,796.08 and 90,714.03

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Solution

The fourth proportional to 223,865.42, 335,796.08 and 90,714.03 is: 136,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,865.42 : 335,796.08 = 90,714.03 : x
  2. Step 2: Convert to fraction form
    223,865.42/335,796.08 = 90,714.03/x
  3. Step 3: Cross multiply
    223,865.42x = 335,796.08 × 90,714.03
  4. Step 4: Simplify right side
    223,865.42x = 30,461,414,472.46
  5. Step 5: Solve for x
    x = 30,461,414,472.46/223,865.42
  6. Step 6: Final answer
    x = 136,070.21

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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.