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Finding the Fourth Proportional to 275,929.08, 413,806.12 and 118,115.16

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Solution

The fourth proportional to 275,929.08, 413,806.12 and 118,115.16 is: 177,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,929.08 : 413,806.12 = 118,115.16 : x
  2. Step 2: Convert to fraction form
    275,929.08/413,806.12 = 118,115.16/x
  3. Step 3: Cross multiply
    275,929.08x = 413,806.12 × 118,115.16
  4. Step 4: Simplify right side
    275,929.08x = 48,876,776,072.78
  5. Step 5: Solve for x
    x = 48,876,776,072.78/275,929.08
  6. Step 6: Final answer
    x = 177,135.28

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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.