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Finding the Fourth Proportional to 79,322.17, 118,907.41 and 29,388.87

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Solution

The fourth proportional to 79,322.17, 118,907.41 and 29,388.87 is: 44,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,322.17 : 118,907.41 = 29,388.87 : x
  2. Step 2: Convert to fraction form
    79,322.17/118,907.41 = 29,388.87/x
  3. Step 3: Cross multiply
    79,322.17x = 118,907.41 × 29,388.87
  4. Step 4: Simplify right side
    79,322.17x = 3,494,554,414.53
  5. Step 5: Solve for x
    x = 3,494,554,414.53/79,322.17
  6. Step 6: Final answer
    x = 44,055.20

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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.