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Finding the Fourth Proportional to 173,372.91, 260,080.09 and 73,520.13

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Solution

The fourth proportional to 173,372.91, 260,080.09 and 73,520.13 is: 110,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,372.91 : 260,080.09 = 73,520.13 : x
  2. Step 2: Convert to fraction form
    173,372.91/260,080.09 = 73,520.13/x
  3. Step 3: Cross multiply
    173,372.91x = 260,080.09 × 73,520.13
  4. Step 4: Simplify right side
    173,372.91x = 19,121,122,027.21
  5. Step 5: Solve for x
    x = 19,121,122,027.21/173,372.91
  6. Step 6: Final answer
    x = 110,288.98

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1.5x scale

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.