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Finding the Fourth Proportional to 275,998.73, 413,998.10 and 89,010.23

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Solution

The fourth proportional to 275,998.73, 413,998.10 and 89,010.23 is: 133,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,998.73 : 413,998.10 = 89,010.23 : x
  2. Step 2: Convert to fraction form
    275,998.73/413,998.10 = 89,010.23/x
  3. Step 3: Cross multiply
    275,998.73x = 413,998.10 × 89,010.23
  4. Step 4: Simplify right side
    275,998.73x = 36,850,065,655.51
  5. Step 5: Solve for x
    x = 36,850,065,655.51/275,998.73
  6. Step 6: Final answer
    x = 133,515.35

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Similar ratio
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1.5x scale

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.