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Finding the Fourth Proportional to 111,935.60, 167,797.84 and 55,722.50

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Solution

The fourth proportional to 111,935.60, 167,797.84 and 55,722.50 is: 83,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,935.60 : 167,797.84 = 55,722.50 : x
  2. Step 2: Convert to fraction form
    111,935.60/167,797.84 = 55,722.50/x
  3. Step 3: Cross multiply
    111,935.60x = 167,797.84 × 55,722.50
  4. Step 4: Simplify right side
    111,935.60x = 9,350,115,139.40
  5. Step 5: Solve for x
    x = 9,350,115,139.40/111,935.60
  6. Step 6: Final answer
    x = 83,531.20

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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.