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Finding the Fourth Proportional to 95,645.89, 131,987.77 and 53,203.51

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Solution

The fourth proportional to 95,645.89, 131,987.77 and 53,203.51 is: 73,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,645.89 : 131,987.77 = 53,203.51 : x
  2. Step 2: Convert to fraction form
    95,645.89/131,987.77 = 53,203.51/x
  3. Step 3: Cross multiply
    95,645.89x = 131,987.77 × 53,203.51
  4. Step 4: Simplify right side
    95,645.89x = 7,022,212,641.07
  5. Step 5: Solve for x
    x = 7,022,212,641.07/95,645.89
  6. Step 6: Final answer
    x = 73,418.86

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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.