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Finding the Fourth Proportional to 173,245.50, 259,971.93 and 74,749.50

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Solution

The fourth proportional to 173,245.50, 259,971.93 and 74,749.50 is: 112,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,245.50 : 259,971.93 = 74,749.50 : x
  2. Step 2: Convert to fraction form
    173,245.50/259,971.93 = 74,749.50/x
  3. Step 3: Cross multiply
    173,245.50x = 259,971.93 × 74,749.50
  4. Step 4: Simplify right side
    173,245.50x = 19,432,771,781.54
  5. Step 5: Solve for x
    x = 19,432,771,781.54/173,245.50
  6. Step 6: Final answer
    x = 112,168.98

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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.