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Finding the Fourth Proportional to 227,737.60, 341,638.80 and 69,942.40

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Solution

The fourth proportional to 227,737.60, 341,638.80 and 69,942.40 is: 104,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,737.60 : 341,638.80 = 69,942.40 : x
  2. Step 2: Convert to fraction form
    227,737.60/341,638.80 = 69,942.40/x
  3. Step 3: Cross multiply
    227,737.60x = 341,638.80 × 69,942.40
  4. Step 4: Simplify right side
    227,737.60x = 23,895,037,605.12
  5. Step 5: Solve for x
    x = 23,895,037,605.12/227,737.60
  6. Step 6: Final answer
    x = 104,923.55

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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.