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Finding the Fourth Proportional to 117,876.54, 176,813.08 and 29,130.04

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Solution

The fourth proportional to 117,876.54, 176,813.08 and 29,130.04 is: 43,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.54 : 176,813.08 = 29,130.04 : x
  2. Step 2: Convert to fraction form
    117,876.54/176,813.08 = 29,130.04/x
  3. Step 3: Cross multiply
    117,876.54x = 176,813.08 × 29,130.04
  4. Step 4: Simplify right side
    117,876.54x = 5,150,572,241.11
  5. Step 5: Solve for x
    x = 5,150,572,241.11/117,876.54
  6. Step 6: Final answer
    x = 43,694.63

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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.