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Finding the Fourth Proportional to 173,372.83, 260,080.09 and 61,029.72

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Solution

The fourth proportional to 173,372.83, 260,080.09 and 61,029.72 is: 91,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,372.83 : 260,080.09 = 61,029.72 : x
  2. Step 2: Convert to fraction form
    173,372.83/260,080.09 = 61,029.72/x
  3. Step 3: Cross multiply
    173,372.83x = 260,080.09 × 61,029.72
  4. Step 4: Simplify right side
    173,372.83x = 15,872,613,992.13
  5. Step 5: Solve for x
    x = 15,872,613,992.13/173,372.83
  6. Step 6: Final answer
    x = 91,551.91

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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.