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Finding the Fourth Proportional to 275,800.95, 413,693.19 and 76,133.52

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Solution

The fourth proportional to 275,800.95, 413,693.19 and 76,133.52 is: 114,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,800.95 : 413,693.19 = 76,133.52 : x
  2. Step 2: Convert to fraction form
    275,800.95/413,693.19 = 76,133.52/x
  3. Step 3: Cross multiply
    275,800.95x = 413,693.19 × 76,133.52
  4. Step 4: Simplify right side
    275,800.95x = 31,495,918,754.73
  5. Step 5: Solve for x
    x = 31,495,918,754.73/275,800.95
  6. Step 6: Final answer
    x = 114,198.01

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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.