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Finding the Fourth Proportional to 104,124.68, 156,185.64 and 25,239.62

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Solution

The fourth proportional to 104,124.68, 156,185.64 and 25,239.62 is: 37,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,124.68 : 156,185.64 = 25,239.62 : x
  2. Step 2: Convert to fraction form
    104,124.68/156,185.64 = 25,239.62/x
  3. Step 3: Cross multiply
    104,124.68x = 156,185.64 × 25,239.62
  4. Step 4: Simplify right side
    104,124.68x = 3,942,066,203.06
  5. Step 5: Solve for x
    x = 3,942,066,203.06/104,124.68
  6. Step 6: Final answer
    x = 37,859.10

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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.