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Finding the Fourth Proportional to 111,008.36, 166,468.71 and 44,436.08

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Solution

The fourth proportional to 111,008.36, 166,468.71 and 44,436.08 is: 66,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.36 : 166,468.71 = 44,436.08 : x
  2. Step 2: Convert to fraction form
    111,008.36/166,468.71 = 44,436.08/x
  3. Step 3: Cross multiply
    111,008.36x = 166,468.71 × 44,436.08
  4. Step 4: Simplify right side
    111,008.36x = 7,397,216,915.06
  5. Step 5: Solve for x
    x = 7,397,216,915.06/111,008.36
  6. Step 6: Final answer
    x = 66,636.58

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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.