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Finding the Fourth Proportional to 236,045.88, 325,747.17 and 128,620.44

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Solution

The fourth proportional to 236,045.88, 325,747.17 and 128,620.44 is: 177,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,045.88 : 325,747.17 = 128,620.44 : x
  2. Step 2: Convert to fraction form
    236,045.88/325,747.17 = 128,620.44/x
  3. Step 3: Cross multiply
    236,045.88x = 325,747.17 × 128,620.44
  4. Step 4: Simplify right side
    236,045.88x = 41,897,744,334.15
  5. Step 5: Solve for x
    x = 41,897,744,334.15/236,045.88
  6. Step 6: Final answer
    x = 177,498.31

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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.