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Finding the Fourth Proportional to 188,496.50, 260,125.17 and 107,950.68

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Solution

The fourth proportional to 188,496.50, 260,125.17 and 107,950.68 is: 148,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,496.50 : 260,125.17 = 107,950.68 : x
  2. Step 2: Convert to fraction form
    188,496.50/260,125.17 = 107,950.68/x
  3. Step 3: Cross multiply
    188,496.50x = 260,125.17 × 107,950.68
  4. Step 4: Simplify right side
    188,496.50x = 28,080,687,685.99
  5. Step 5: Solve for x
    x = 28,080,687,685.99/188,496.50
  6. Step 6: Final answer
    x = 148,971.93

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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.