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Finding the Fourth Proportional to 165,956.76, 248,950.62 and 66,092.85

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Solution

The fourth proportional to 165,956.76, 248,950.62 and 66,092.85 is: 99,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,956.76 : 248,950.62 = 66,092.85 : x
  2. Step 2: Convert to fraction form
    165,956.76/248,950.62 = 66,092.85/x
  3. Step 3: Cross multiply
    165,956.76x = 248,950.62 × 66,092.85
  4. Step 4: Simplify right side
    165,956.76x = 16,453,855,985.07
  5. Step 5: Solve for x
    x = 16,453,855,985.07/165,956.76
  6. Step 6: Final answer
    x = 99,145.44

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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.