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Finding the Fourth Proportional to 111,810.60, 167,910.30 and 59,322.60

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Solution

The fourth proportional to 111,810.60, 167,910.30 and 59,322.60 is: 89,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,810.60 : 167,910.30 = 59,322.60 : x
  2. Step 2: Convert to fraction form
    111,810.60/167,910.30 = 59,322.60/x
  3. Step 3: Cross multiply
    111,810.60x = 167,910.30 × 59,322.60
  4. Step 4: Simplify right side
    111,810.60x = 9,960,875,562.78
  5. Step 5: Solve for x
    x = 9,960,875,562.78/111,810.60
  6. Step 6: Final answer
    x = 89,087.04

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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.