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Finding the Fourth Proportional to 225,010.89, 310,367.88 and 144,310.59

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Solution

The fourth proportional to 225,010.89, 310,367.88 and 144,310.59 is: 199,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,010.89 : 310,367.88 = 144,310.59 : x
  2. Step 2: Convert to fraction form
    225,010.89/310,367.88 = 144,310.59/x
  3. Step 3: Cross multiply
    225,010.89x = 310,367.88 × 144,310.59
  4. Step 4: Simplify right side
    225,010.89x = 44,789,371,879.85
  5. Step 5: Solve for x
    x = 44,789,371,879.85/225,010.89
  6. Step 6: Final answer
    x = 199,054.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.