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Finding the Fourth Proportional to 188,580.90, 260,241.63 and 103,697.94

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Solution

The fourth proportional to 188,580.90, 260,241.63 and 103,697.94 is: 143,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,580.90 : 260,241.63 = 103,697.94 : x
  2. Step 2: Convert to fraction form
    188,580.90/260,241.63 = 103,697.94/x
  3. Step 3: Cross multiply
    188,580.90x = 260,241.63 × 103,697.94
  4. Step 4: Simplify right side
    188,580.90x = 26,986,520,933.24
  5. Step 5: Solve for x
    x = 26,986,520,933.24/188,580.90
  6. Step 6: Final answer
    x = 143,103.15

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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.