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Finding the Fourth Proportional to 167,445.84, 251,199.81 and 55,132.86

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Solution

The fourth proportional to 167,445.84, 251,199.81 and 55,132.86 is: 82,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,445.84 : 251,199.81 = 55,132.86 : x
  2. Step 2: Convert to fraction form
    167,445.84/251,199.81 = 55,132.86/x
  3. Step 3: Cross multiply
    167,445.84x = 251,199.81 × 55,132.86
  4. Step 4: Simplify right side
    167,445.84x = 13,849,363,956.76
  5. Step 5: Solve for x
    x = 13,849,363,956.76/167,445.84
  6. Step 6: Final answer
    x = 82,709.51

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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.