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Finding the Fourth Proportional to 311,124.96, 429,240.14 and 203,756.22

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Solution

The fourth proportional to 311,124.96, 429,240.14 and 203,756.22 is: 281,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,124.96 : 429,240.14 = 203,756.22 : x
  2. Step 2: Convert to fraction form
    311,124.96/429,240.14 = 203,756.22/x
  3. Step 3: Cross multiply
    311,124.96x = 429,240.14 × 203,756.22
  4. Step 4: Simplify right side
    311,124.96x = 87,460,348,398.67
  5. Step 5: Solve for x
    x = 87,460,348,398.67/311,124.96
  6. Step 6: Final answer
    x = 281,110.04

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