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Finding the Fourth Proportional to 275,328.48, 412,827.52 and 95,354.72

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Solution

The fourth proportional to 275,328.48, 412,827.52 and 95,354.72 is: 142,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,328.48 : 412,827.52 = 95,354.72 : x
  2. Step 2: Convert to fraction form
    275,328.48/412,827.52 = 95,354.72/x
  3. Step 3: Cross multiply
    275,328.48x = 412,827.52 × 95,354.72
  4. Step 4: Simplify right side
    275,328.48x = 39,365,052,577.89
  5. Step 5: Solve for x
    x = 39,365,052,577.89/275,328.48
  6. Step 6: Final answer
    x = 142,974.87

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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.