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Finding the Fourth Proportional to 222,726.80, 334,090.20 and 146,619.20

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Solution

The fourth proportional to 222,726.80, 334,090.20 and 146,619.20 is: 219,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,726.80 : 334,090.20 = 146,619.20 : x
  2. Step 2: Convert to fraction form
    222,726.80/334,090.20 = 146,619.20/x
  3. Step 3: Cross multiply
    222,726.80x = 334,090.20 × 146,619.20
  4. Step 4: Simplify right side
    222,726.80x = 48,984,037,851.84
  5. Step 5: Solve for x
    x = 48,984,037,851.84/222,726.80
  6. Step 6: Final answer
    x = 219,928.80

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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.