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Finding the Fourth Proportional to 188,914.83, 260,704.22 and 104,032.50

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Solution

The fourth proportional to 188,914.83, 260,704.22 and 104,032.50 is: 143,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,914.83 : 260,704.22 = 104,032.50 : x
  2. Step 2: Convert to fraction form
    188,914.83/260,704.22 = 104,032.50/x
  3. Step 3: Cross multiply
    188,914.83x = 260,704.22 × 104,032.50
  4. Step 4: Simplify right side
    188,914.83x = 27,121,711,246.99
  5. Step 5: Solve for x
    x = 27,121,711,246.99/188,914.83
  6. Step 6: Final answer
    x = 143,565.81

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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.