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Finding the Fourth Proportional to 111,033, 166,578.30 and 39,953.16

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Solution

The fourth proportional to 111,033, 166,578.30 and 39,953.16 is: 59,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,033 : 166,578.30 = 39,953.16 : x
  2. Step 2: Convert to fraction form
    111,033/166,578.30 = 39,953.16/x
  3. Step 3: Cross multiply
    111,033x = 166,578.30 × 39,953.16
  4. Step 4: Simplify right side
    111,033x = 6,655,329,472.43
  5. Step 5: Solve for x
    x = 6,655,329,472.43/111,033
  6. Step 6: Final answer
    x = 59,940.10

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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.