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Finding the Fourth Proportional to 188,654.68, 282,884.64 and 55,517.65

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Solution

The fourth proportional to 188,654.68, 282,884.64 and 55,517.65 is: 83,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,654.68 : 282,884.64 = 55,517.65 : x
  2. Step 2: Convert to fraction form
    188,654.68/282,884.64 = 55,517.65/x
  3. Step 3: Cross multiply
    188,654.68x = 282,884.64 × 55,517.65
  4. Step 4: Simplify right side
    188,654.68x = 15,705,090,433.90
  5. Step 5: Solve for x
    x = 15,705,090,433.90/188,654.68
  6. Step 6: Final answer
    x = 83,247.82

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1.5x scale

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.