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Finding the Fourth Proportional to 136,175.60, 187,919.60 and 75,744.94

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Solution

The fourth proportional to 136,175.60, 187,919.60 and 75,744.94 is: 104,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,175.60 : 187,919.60 = 75,744.94 : x
  2. Step 2: Convert to fraction form
    136,175.60/187,919.60 = 75,744.94/x
  3. Step 3: Cross multiply
    136,175.60x = 187,919.60 × 75,744.94
  4. Step 4: Simplify right side
    136,175.60x = 14,233,958,826.82
  5. Step 5: Solve for x
    x = 14,233,958,826.82/136,175.60
  6. Step 6: Final answer
    x = 104,526.50

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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.