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Finding the Fourth Proportional to 166,883.67, 250,249.50 and 72,068.72

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Solution

The fourth proportional to 166,883.67, 250,249.50 and 72,068.72 is: 108,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,883.67 : 250,249.50 = 72,068.72 : x
  2. Step 2: Convert to fraction form
    166,883.67/250,249.50 = 72,068.72/x
  3. Step 3: Cross multiply
    166,883.67x = 250,249.50 × 72,068.72
  4. Step 4: Simplify right side
    166,883.67x = 18,035,159,894.39
  5. Step 5: Solve for x
    x = 18,035,159,894.39/166,883.67
  6. Step 6: Final answer
    x = 108,070.25

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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.