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Finding the Fourth Proportional to 111,208.55, 166,979.27 and 96,262.02

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Solution

The fourth proportional to 111,208.55, 166,979.27 and 96,262.02 is: 144,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,208.55 : 166,979.27 = 96,262.02 : x
  2. Step 2: Convert to fraction form
    111,208.55/166,979.27 = 96,262.02/x
  3. Step 3: Cross multiply
    111,208.55x = 166,979.27 × 96,262.02
  4. Step 4: Simplify right side
    111,208.55x = 16,073,762,068.98
  5. Step 5: Solve for x
    x = 16,073,762,068.98/111,208.55
  6. Step 6: Final answer
    x = 144,537.11

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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.