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Finding the Fourth Proportional to 163,992.71, 226,232.61 and 95,967.98

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Solution

The fourth proportional to 163,992.71, 226,232.61 and 95,967.98 is: 132,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,992.71 : 226,232.61 = 95,967.98 : x
  2. Step 2: Convert to fraction form
    163,992.71/226,232.61 = 95,967.98/x
  3. Step 3: Cross multiply
    163,992.71x = 226,232.61 × 95,967.98
  4. Step 4: Simplify right side
    163,992.71x = 21,711,085,949.16
  5. Step 5: Solve for x
    x = 21,711,085,949.16/163,992.71
  6. Step 6: Final answer
    x = 132,390.55

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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.