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Finding the Fourth Proportional to 173,329.20, 260,042.40 and 73,537.20

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Solution

The fourth proportional to 173,329.20, 260,042.40 and 73,537.20 is: 110,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,329.20 : 260,042.40 = 73,537.20 : x
  2. Step 2: Convert to fraction form
    173,329.20/260,042.40 = 73,537.20/x
  3. Step 3: Cross multiply
    173,329.20x = 260,042.40 × 73,537.20
  4. Step 4: Simplify right side
    173,329.20x = 19,122,789,977.28
  5. Step 5: Solve for x
    x = 19,122,789,977.28/173,329.20
  6. Step 6: Final answer
    x = 110,326.42

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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.