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Finding the Fourth Proportional to 169,958.62, 254,963.04 and 63,315.64

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Solution

The fourth proportional to 169,958.62, 254,963.04 and 63,315.64 is: 94,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,958.62 : 254,963.04 = 63,315.64 : x
  2. Step 2: Convert to fraction form
    169,958.62/254,963.04 = 63,315.64/x
  3. Step 3: Cross multiply
    169,958.62x = 254,963.04 × 63,315.64
  4. Step 4: Simplify right side
    169,958.62x = 16,143,148,053.95
  5. Step 5: Solve for x
    x = 16,143,148,053.95/169,958.62
  6. Step 6: Final answer
    x = 94,982.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.