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Finding the Fourth Proportional to 275,969.54, 413,997.28 and 88,999.94

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Solution

The fourth proportional to 275,969.54, 413,997.28 and 88,999.94 is: 133,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,969.54 : 413,997.28 = 88,999.94 : x
  2. Step 2: Convert to fraction form
    275,969.54/413,997.28 = 88,999.94/x
  3. Step 3: Cross multiply
    275,969.54x = 413,997.28 × 88,999.94
  4. Step 4: Simplify right side
    275,969.54x = 36,845,733,080.16
  5. Step 5: Solve for x
    x = 36,845,733,080.16/275,969.54
  6. Step 6: Final answer
    x = 133,513.77

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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.