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Finding the Fourth Proportional to 222,751.44, 334,157.40 and 64,978.56

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Solution

The fourth proportional to 222,751.44, 334,157.40 and 64,978.56 is: 97,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,751.44 : 334,157.40 = 64,978.56 : x
  2. Step 2: Convert to fraction form
    222,751.44/334,157.40 = 64,978.56/x
  3. Step 3: Cross multiply
    222,751.44x = 334,157.40 × 64,978.56
  4. Step 4: Simplify right side
    222,751.44x = 21,713,066,665.34
  5. Step 5: Solve for x
    x = 21,713,066,665.34/222,751.44
  6. Step 6: Final answer
    x = 97,476.66

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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.