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Finding the Fourth Proportional to 167,756.63, 251,652.43 and 53,875.67

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Solution

The fourth proportional to 167,756.63, 251,652.43 and 53,875.67 is: 80,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756.63 : 251,652.43 = 53,875.67 : x
  2. Step 2: Convert to fraction form
    167,756.63/251,652.43 = 53,875.67/x
  3. Step 3: Cross multiply
    167,756.63x = 251,652.43 × 53,875.67
  4. Step 4: Simplify right side
    167,756.63x = 13,557,943,273.38
  5. Step 5: Solve for x
    x = 13,557,943,273.38/167,756.63
  6. Step 6: Final answer
    x = 80,819.12

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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.