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Finding the Fourth Proportional to 134,654.66, 200,392.50 and 130,169.88

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Solution

The fourth proportional to 134,654.66, 200,392.50 and 130,169.88 is: 193,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,654.66 : 200,392.50 = 130,169.88 : x
  2. Step 2: Convert to fraction form
    134,654.66/200,392.50 = 130,169.88/x
  3. Step 3: Cross multiply
    134,654.66x = 200,392.50 × 130,169.88
  4. Step 4: Simplify right side
    134,654.66x = 26,085,067,677.90
  5. Step 5: Solve for x
    x = 26,085,067,677.90/134,654.66
  6. Step 6: Final answer
    x = 193,718.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.