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Finding the Fourth Proportional to 242,361.72, 334,451.43 and 134,926.29

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Solution

The fourth proportional to 242,361.72, 334,451.43 and 134,926.29 is: 186,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,361.72 : 334,451.43 = 134,926.29 : x
  2. Step 2: Convert to fraction form
    242,361.72/334,451.43 = 134,926.29/x
  3. Step 3: Cross multiply
    242,361.72x = 334,451.43 × 134,926.29
  4. Step 4: Simplify right side
    242,361.72x = 45,126,290,635.09
  5. Step 5: Solve for x
    x = 45,126,290,635.09/242,361.72
  6. Step 6: Final answer
    x = 186,193.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.