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Finding the Fourth Proportional to 104,745.94, 157,119.24 and 25,860.18

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Solution

The fourth proportional to 104,745.94, 157,119.24 and 25,860.18 is: 38,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.94 : 157,119.24 = 25,860.18 : x
  2. Step 2: Convert to fraction form
    104,745.94/157,119.24 = 25,860.18/x
  3. Step 3: Cross multiply
    104,745.94x = 157,119.24 × 25,860.18
  4. Step 4: Simplify right side
    104,745.94x = 4,063,131,827.86
  5. Step 5: Solve for x
    x = 4,063,131,827.86/104,745.94
  6. Step 6: Final answer
    x = 38,790.35

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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.