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Finding the Fourth Proportional to 171,091.52, 236,111.52 and 95,643.20

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Solution

The fourth proportional to 171,091.52, 236,111.52 and 95,643.20 is: 131,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,091.52 : 236,111.52 = 95,643.20 : x
  2. Step 2: Convert to fraction form
    171,091.52/236,111.52 = 95,643.20/x
  3. Step 3: Cross multiply
    171,091.52x = 236,111.52 × 95,643.20
  4. Step 4: Simplify right side
    171,091.52x = 22,582,461,329.66
  5. Step 5: Solve for x
    x = 22,582,461,329.66/171,091.52
  6. Step 6: Final answer
    x = 131,990.54

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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.