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Finding the Fourth Proportional to 111,825.60, 167,932.80 and 59,337.60

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Solution

The fourth proportional to 111,825.60, 167,932.80 and 59,337.60 is: 89,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,825.60 : 167,932.80 = 59,337.60 : x
  2. Step 2: Convert to fraction form
    111,825.60/167,932.80 = 59,337.60/x
  3. Step 3: Cross multiply
    111,825.60x = 167,932.80 × 59,337.60
  4. Step 4: Simplify right side
    111,825.60x = 9,964,729,313.28
  5. Step 5: Solve for x
    x = 9,964,729,313.28/111,825.60
  6. Step 6: Final answer
    x = 89,109.55

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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.