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Finding the Fourth Proportional to 100,596.51, 150,894.66 and 25,716.72

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Solution

The fourth proportional to 100,596.51, 150,894.66 and 25,716.72 is: 38,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,596.51 : 150,894.66 = 25,716.72 : x
  2. Step 2: Convert to fraction form
    100,596.51/150,894.66 = 25,716.72/x
  3. Step 3: Cross multiply
    100,596.51x = 150,894.66 × 25,716.72
  4. Step 4: Simplify right side
    100,596.51x = 3,880,515,720.72
  5. Step 5: Solve for x
    x = 3,880,515,720.72/100,596.51
  6. Step 6: Final answer
    x = 38,575.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.