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Finding the Fourth Proportional to 275,999.73, 413,999.60 and 89,011.23

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Solution

The fourth proportional to 275,999.73, 413,999.60 and 89,011.23 is: 133,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,999.73 : 413,999.60 = 89,011.23 : x
  2. Step 2: Convert to fraction form
    275,999.73/413,999.60 = 89,011.23/x
  3. Step 3: Cross multiply
    275,999.73x = 413,999.60 × 89,011.23
  4. Step 4: Simplify right side
    275,999.73x = 36,850,613,615.51
  5. Step 5: Solve for x
    x = 36,850,613,615.51/275,999.73
  6. Step 6: Final answer
    x = 133,516.85

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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.