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Finding the Fourth Proportional to 188,840.68, 283,288.70 and 55,703.62

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Solution

The fourth proportional to 188,840.68, 283,288.70 and 55,703.62 is: 83,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,840.68 : 283,288.70 = 55,703.62 : x
  2. Step 2: Convert to fraction form
    188,840.68/283,288.70 = 55,703.62/x
  3. Step 3: Cross multiply
    188,840.68x = 283,288.70 × 55,703.62
  4. Step 4: Simplify right side
    188,840.68x = 15,780,206,095.09
  5. Step 5: Solve for x
    x = 15,780,206,095.09/188,840.68
  6. Step 6: Final answer
    x = 83,563.59

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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.