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Finding the Fourth Proportional to 111,953.35, 167,824.44 and 55,740.28

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Solution

The fourth proportional to 111,953.35, 167,824.44 and 55,740.28 is: 83,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,953.35 : 167,824.44 = 55,740.28 : x
  2. Step 2: Convert to fraction form
    111,953.35/167,824.44 = 55,740.28/x
  3. Step 3: Cross multiply
    111,953.35x = 167,824.44 × 55,740.28
  4. Step 4: Simplify right side
    111,953.35x = 9,354,581,276.44
  5. Step 5: Solve for x
    x = 9,354,581,276.44/111,953.35
  6. Step 6: Final answer
    x = 83,557.85

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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.