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Finding the Fourth Proportional to 282,043.73, 389,164.83 and 167,300.75

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Solution

The fourth proportional to 282,043.73, 389,164.83 and 167,300.75 is: 230,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,043.73 : 389,164.83 = 167,300.75 : x
  2. Step 2: Convert to fraction form
    282,043.73/389,164.83 = 167,300.75/x
  3. Step 3: Cross multiply
    282,043.73x = 389,164.83 × 167,300.75
  4. Step 4: Simplify right side
    282,043.73x = 65,107,567,932.62
  5. Step 5: Solve for x
    x = 65,107,567,932.62/282,043.73
  6. Step 6: Final answer
    x = 230,842.10

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1.5x scale

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.