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Finding the Fourth Proportional to 79,298.41, 118,945.34 and 29,377.40

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Solution

The fourth proportional to 79,298.41, 118,945.34 and 29,377.40 is: 44,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,298.41 : 118,945.34 = 29,377.40 : x
  2. Step 2: Convert to fraction form
    79,298.41/118,945.34 = 29,377.40/x
  3. Step 3: Cross multiply
    79,298.41x = 118,945.34 × 29,377.40
  4. Step 4: Simplify right side
    79,298.41x = 3,494,304,684.43
  5. Step 5: Solve for x
    x = 3,494,304,684.43/79,298.41
  6. Step 6: Final answer
    x = 44,065.26

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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.