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Finding the Fourth Proportional to 170,551.71, 255,836.21 and 45,893.79

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Solution

The fourth proportional to 170,551.71, 255,836.21 and 45,893.79 is: 68,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,551.71 : 255,836.21 = 45,893.79 : x
  2. Step 2: Convert to fraction form
    170,551.71/255,836.21 = 45,893.79/x
  3. Step 3: Cross multiply
    170,551.71x = 255,836.21 × 45,893.79
  4. Step 4: Simplify right side
    170,551.71x = 11,741,293,066.67
  5. Step 5: Solve for x
    x = 11,741,293,066.67/170,551.71
  6. Step 6: Final answer
    x = 68,843.01

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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.