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Finding the Fourth Proportional to 275,996.84, 413,995.26 and 89,008.34

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Solution

The fourth proportional to 275,996.84, 413,995.26 and 89,008.34 is: 133,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,996.84 : 413,995.26 = 89,008.34 : x
  2. Step 2: Convert to fraction form
    275,996.84/413,995.26 = 89,008.34/x
  3. Step 3: Cross multiply
    275,996.84x = 413,995.26 × 89,008.34
  4. Step 4: Simplify right side
    275,996.84x = 36,849,030,860.47
  5. Step 5: Solve for x
    x = 36,849,030,860.47/275,996.84
  6. Step 6: Final answer
    x = 133,512.51

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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.