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Finding the Fourth Proportional to 111,185.60, 166,384.44 and 98,063.60

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Solution

The fourth proportional to 111,185.60, 166,384.44 and 98,063.60 is: 146,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,185.60 : 166,384.44 = 98,063.60 : x
  2. Step 2: Convert to fraction form
    111,185.60/166,384.44 = 98,063.60/x
  3. Step 3: Cross multiply
    111,185.60x = 166,384.44 × 98,063.60
  4. Step 4: Simplify right side
    111,185.60x = 16,316,257,170.38
  5. Step 5: Solve for x
    x = 16,316,257,170.38/111,185.60
  6. Step 6: Final answer
    x = 146,747.93

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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.