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Finding the Fourth Proportional to 187,817.67, 259,194.87 and 102,934.80

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Solution

The fourth proportional to 187,817.67, 259,194.87 and 102,934.80 is: 142,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,817.67 : 259,194.87 = 102,934.80 : x
  2. Step 2: Convert to fraction form
    187,817.67/259,194.87 = 102,934.80/x
  3. Step 3: Cross multiply
    187,817.67x = 259,194.87 × 102,934.80
  4. Step 4: Simplify right side
    187,817.67x = 26,680,172,104.48
  5. Step 5: Solve for x
    x = 26,680,172,104.48/187,817.67
  6. Step 6: Final answer
    x = 142,053.58

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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.