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Finding the Fourth Proportional to 173,676.10, 260,542.95 and 73,884.10

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Solution

The fourth proportional to 173,676.10, 260,542.95 and 73,884.10 is: 110,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,676.10 : 260,542.95 = 73,884.10 : x
  2. Step 2: Convert to fraction form
    173,676.10/260,542.95 = 73,884.10/x
  3. Step 3: Cross multiply
    173,676.10x = 260,542.95 × 73,884.10
  4. Step 4: Simplify right side
    173,676.10x = 19,249,981,372.10
  5. Step 5: Solve for x
    x = 19,249,981,372.10/173,676.10
  6. Step 6: Final answer
    x = 110,838.40

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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.