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Finding the Fourth Proportional to 111,937.60, 167,800.83 and 55,724.50

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Solution

The fourth proportional to 111,937.60, 167,800.83 and 55,724.50 is: 83,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,937.60 : 167,800.83 = 55,724.50 : x
  2. Step 2: Convert to fraction form
    111,937.60/167,800.83 = 55,724.50/x
  3. Step 3: Cross multiply
    111,937.60x = 167,800.83 × 55,724.50
  4. Step 4: Simplify right side
    111,937.60x = 9,350,617,351.34
  5. Step 5: Solve for x
    x = 9,350,617,351.34/111,937.60
  6. Step 6: Final answer
    x = 83,534.20

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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.