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Finding the Fourth Proportional to 163,668.95, 225,829.28 and 95,672.78

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Solution

The fourth proportional to 163,668.95, 225,829.28 and 95,672.78 is: 132,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,668.95 : 225,829.28 = 95,672.78 : x
  2. Step 2: Convert to fraction form
    163,668.95/225,829.28 = 95,672.78/x
  3. Step 3: Cross multiply
    163,668.95x = 225,829.28 × 95,672.78
  4. Step 4: Simplify right side
    163,668.95x = 21,605,713,415.49
  5. Step 5: Solve for x
    x = 21,605,713,415.49/163,668.95
  6. Step 6: Final answer
    x = 132,008.63

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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.