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Finding the Fourth Proportional to 188,273.68, 259,818.40 and 102,232.80

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Solution

The fourth proportional to 188,273.68, 259,818.40 and 102,232.80 is: 141,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,273.68 : 259,818.40 = 102,232.80 : x
  2. Step 2: Convert to fraction form
    188,273.68/259,818.40 = 102,232.80/x
  3. Step 3: Cross multiply
    188,273.68x = 259,818.40 × 102,232.80
  4. Step 4: Simplify right side
    188,273.68x = 26,561,962,523.52
  5. Step 5: Solve for x
    x = 26,561,962,523.52/188,273.68
  6. Step 6: Final answer
    x = 141,081.66

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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.