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Finding the Fourth Proportional to 79,235.61, 118,852.52 and 19,264.43

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Solution

The fourth proportional to 79,235.61, 118,852.52 and 19,264.43 is: 28,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,235.61 : 118,852.52 = 19,264.43 : x
  2. Step 2: Convert to fraction form
    79,235.61/118,852.52 = 19,264.43/x
  3. Step 3: Cross multiply
    79,235.61x = 118,852.52 × 19,264.43
  4. Step 4: Simplify right side
    79,235.61x = 2,289,625,361.28
  5. Step 5: Solve for x
    x = 2,289,625,361.28/79,235.61
  6. Step 6: Final answer
    x = 28,896.42

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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.