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Finding the Fourth Proportional to 111,302.47, 166,554.62 and 96,360.98

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Solution

The fourth proportional to 111,302.47, 166,554.62 and 96,360.98 is: 144,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,302.47 : 166,554.62 = 96,360.98 : x
  2. Step 2: Convert to fraction form
    111,302.47/166,554.62 = 96,360.98/x
  3. Step 3: Cross multiply
    111,302.47x = 166,554.62 × 96,360.98
  4. Step 4: Simplify right side
    111,302.47x = 16,049,366,406.73
  5. Step 5: Solve for x
    x = 16,049,366,406.73/111,302.47
  6. Step 6: Final answer
    x = 144,195.96

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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.