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Finding the Fourth Proportional to 188,550.65, 260,194.43 and 106,886.48

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Solution

The fourth proportional to 188,550.65, 260,194.43 and 106,886.48 is: 147,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.65 : 260,194.43 = 106,886.48 : x
  2. Step 2: Convert to fraction form
    188,550.65/260,194.43 = 106,886.48/x
  3. Step 3: Cross multiply
    188,550.65x = 260,194.43 × 106,886.48
  4. Step 4: Simplify right side
    188,550.65x = 27,811,266,932.81
  5. Step 5: Solve for x
    x = 27,811,266,932.81/188,550.65
  6. Step 6: Final answer
    x = 147,500.24

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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.