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Finding the Fourth Proportional to 111,045.54, 166,301.40 and 63,516.54

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Solution

The fourth proportional to 111,045.54, 166,301.40 and 63,516.54 is: 95,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,045.54 : 166,301.40 = 63,516.54 : x
  2. Step 2: Convert to fraction form
    111,045.54/166,301.40 = 63,516.54/x
  3. Step 3: Cross multiply
    111,045.54x = 166,301.40 × 63,516.54
  4. Step 4: Simplify right side
    111,045.54x = 10,562,889,525.16
  5. Step 5: Solve for x
    x = 10,562,889,525.16/111,045.54
  6. Step 6: Final answer
    x = 95,122.14

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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.