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Finding the Fourth Proportional to 169,633.40, 254,282.70 and 94,789.40

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Solution

The fourth proportional to 169,633.40, 254,282.70 and 94,789.40 is: 142,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,633.40 : 254,282.70 = 94,789.40 : x
  2. Step 2: Convert to fraction form
    169,633.40/254,282.70 = 94,789.40/x
  3. Step 3: Cross multiply
    169,633.40x = 254,282.70 × 94,789.40
  4. Step 4: Simplify right side
    169,633.40x = 24,103,304,563.38
  5. Step 5: Solve for x
    x = 24,103,304,563.38/169,633.40
  6. Step 6: Final answer
    x = 142,090.56

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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.