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Finding the Fourth Proportional to 255,065.11, 351,992.79 and 146,167.29

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Solution

The fourth proportional to 255,065.11, 351,992.79 and 146,167.29 is: 201,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,065.11 : 351,992.79 = 146,167.29 : x
  2. Step 2: Convert to fraction form
    255,065.11/351,992.79 = 146,167.29/x
  3. Step 3: Cross multiply
    255,065.11x = 351,992.79 × 146,167.29
  4. Step 4: Simplify right side
    255,065.11x = 51,449,832,213.84
  5. Step 5: Solve for x
    x = 51,449,832,213.84/255,065.11
  6. Step 6: Final answer
    x = 201,712.55

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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.