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Finding the Fourth Proportional to 173,091.40, 259,442.70 and 73,234.60

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Solution

The fourth proportional to 173,091.40, 259,442.70 and 73,234.60 is: 109,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,091.40 : 259,442.70 = 73,234.60 : x
  2. Step 2: Convert to fraction form
    173,091.40/259,442.70 = 73,234.60/x
  3. Step 3: Cross multiply
    173,091.40x = 259,442.70 × 73,234.60
  4. Step 4: Simplify right side
    173,091.40x = 19,000,182,357.42
  5. Step 5: Solve for x
    x = 19,000,182,357.42/173,091.40
  6. Step 6: Final answer
    x = 109,769.65

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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.