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Finding the Fourth Proportional to 188,125.97, 259,539.94 and 107,510.25

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Solution

The fourth proportional to 188,125.97, 259,539.94 and 107,510.25 is: 148,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,125.97 : 259,539.94 = 107,510.25 : x
  2. Step 2: Convert to fraction form
    188,125.97/259,539.94 = 107,510.25/x
  3. Step 3: Cross multiply
    188,125.97x = 259,539.94 × 107,510.25
  4. Step 4: Simplify right side
    188,125.97x = 27,903,203,834.39
  5. Step 5: Solve for x
    x = 27,903,203,834.39/188,125.97
  6. Step 6: Final answer
    x = 148,321.91

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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.