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Finding the Fourth Proportional to 173,293.98, 259,349.52 and 145,245.72

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Solution

The fourth proportional to 173,293.98, 259,349.52 and 145,245.72 is: 217,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,293.98 : 259,349.52 = 145,245.72 : x
  2. Step 2: Convert to fraction form
    173,293.98/259,349.52 = 145,245.72/x
  3. Step 3: Cross multiply
    173,293.98x = 259,349.52 × 145,245.72
  4. Step 4: Simplify right side
    173,293.98x = 37,669,407,764.05
  5. Step 5: Solve for x
    x = 37,669,407,764.05/173,293.98
  6. Step 6: Final answer
    x = 217,372.86

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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.