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Finding the Fourth Proportional to 228,706.40, 343,059.60 and 95,542.40

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Solution

The fourth proportional to 228,706.40, 343,059.60 and 95,542.40 is: 143,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,706.40 : 343,059.60 = 95,542.40 : x
  2. Step 2: Convert to fraction form
    228,706.40/343,059.60 = 95,542.40/x
  3. Step 3: Cross multiply
    228,706.40x = 343,059.60 × 95,542.40
  4. Step 4: Simplify right side
    228,706.40x = 32,776,737,527.04
  5. Step 5: Solve for x
    x = 32,776,737,527.04/228,706.40
  6. Step 6: Final answer
    x = 143,313.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.