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Finding the Fourth Proportional to 171,405.68, 236,540.76 and 94,927.28

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Solution

The fourth proportional to 171,405.68, 236,540.76 and 94,927.28 is: 131,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,405.68 : 236,540.76 = 94,927.28 : x
  2. Step 2: Convert to fraction form
    171,405.68/236,540.76 = 94,927.28/x
  3. Step 3: Cross multiply
    171,405.68x = 236,540.76 × 94,927.28
  4. Step 4: Simplify right side
    171,405.68x = 22,454,170,955.93
  5. Step 5: Solve for x
    x = 22,454,170,955.93/171,405.68
  6. Step 6: Final answer
    x = 131,000.16

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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.